From c3563ec94936486d29bf83e65100116f24285e0a Mon Sep 17 00:00:00 2001
From: Jiban Kumar Majumdar <jibanmajumdar@gmail.com>
Date: Mon, 22 Jul 2024 19:43:26 +0530
Subject: [PATCH] Add files via upload

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Potassium Permanganate</title>
+    <script src="chem2.js" defer></script>
+    <meta name="Keywords" content="exercises,  balancing,  chemistry, equations, fluorine, ozone, potassium-dichromate, potassium permanganate, preparation ">
+    <meta name="author" content="Jiban Majumdar">
+    <link rel="stylesheet" href="mystyle.css">
+</head>
+<body>
+    <table align="center" style="width: 100%; border: 1px solid;">
+
+<tr>
+<td><a href="index.html">Home Page</a></td>
+<td><a href="equations.html">Intermediate Equations</a></td>
+<td><a href="assorted.html">Assorted Equations</a></td>
+<td><a href="Fluorine.html">Fluorine</a></td>
+<td><a href="Ozone.html">Ozone</a></td>
+<td><a href="Potassium Dichromate.html">Potassium Dichromate</a></td>
+<td><a href="Hydrogen Peroxide.html">Hydrogen Peroxide</a></td>
+	
+</tr>
+</table>
+
+<h1 style="text-align:center;text-align:top;"> Potassium Permanganate</h1>
+
+<h2>Practise balancing equations: </h2> <h3>Direction:</h3> <ul><li>In  the following equations you will see a blank box before the symbol of each compound and element. Enter the lowest possible number in each box, or leave the box blank if you think the chemical needn't have a number (i.e. the number is equivalent to '1').</li> 
+<li>When you think the equation is balanced, click on the small button <span style= "color:blue;"><b>"Check answer"</b></span> that appears below it.</li> <lI>If your equation is incorrect, then click the button <span style= "color:blue;"><b> "Reset"</b></span> and try balancing the  equation again.</li> <li>In case you are in a hurry or are unable to balance, then click the button <span style= "color:blue;"><b>"Show answer."</b></span></li></ul>
+ <h3>Note:</h3> If you get no response after clicking 'Check answer' or 'Show answer', your browser has disabled to run this program. Enable it by clicking below the 'address bar' and follow the instructions.
+<form name="equations">
+<ul>
+  <li><h4>Extraction of Potassium permanganate from pyrolusite ore:</h4></li> 
+
+  The process involves the following two steps: 
+  
+  <ul><li><p style="font-size:115%; color:blue;">Conversion of pyrolusite to potassium manganate:</p></li> <p>The pyrolusite mineral(MnO<sub>2</sub>) is finely powdered and fused with potassium hydroxide <b>or</b> potassium carbonate in the presence of air, when a green mass of potassium manganate is obtained.</p>
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q1a></input> MnO<sub>2</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q1b></input> KOH + <input  style="font-size: 16px; text-align: center" size=1 name=q1c></input>O<sub>2</sub> &#8594 <input style="font-size: 16px; text-align: center" size=1 name=q1d></input> K<sub>2</sub>MnO<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1   name=q1e></input> H<sub>2</sub>O</p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(1,'Extraction of Potassium permanganate',2,4,1,2,2,0,0,'MnO<sub>2</sub> + KOH + O<sub>2</sub> ','K<sub>2</sub>MnO<sub>4</sub> + H<sub>2</sub>O');" type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset" value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(1,'Extraction of Potassium permanganate',2,4,1,2,2,0,0,'2MnO<sub>2</sub> + 4KOH + O<sub>2</sub> ',' 2K<sub>2</sub>MnO<sub>4</sub> + 2H<sub>2</sub>O');" type="button" value="Show answer"></input> </p>
+  <p></p>
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q2a></input> MnO<sub>2</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q2b></input> K<sub>2</sub>CO<sub>3</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q2c></input>O<sub>2</sub> &#8594 <input style="font-size: 16px; text-align: center" size=1 name=q2d></input> K<sub>2</sub>MnO<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1   name=q2e></input> CO<sub>2</sub></p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(2,'Extraction of Potassium permanganate',2,2,1,2,2,0,0,'MnO<sub>2</sub> + K<sub>2</sub>CO<sub>3</sub> + O<sub>2</sub> ','K<sub>2</sub>MnO<sub>4</sub> + CO<sub>2</sub>');" type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset" value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(2,'Extraction of Potassium permanganate',2,2,1,2,2,0,0,' 2 MnO<sub>2</sub> + 2 K<sub>2</sub>CO<sub>3</sub> + O<sub>2</sub> ',' 2K<sub>2</sub>MnO<sub>4</sub> + 2CO<sub>2</sub>');" type="button" value="Show answer"></input> </p>
+  <p></p>
+  <li> <p style="font-size:115%; color:blue;">Oxidation of potassium manganate into potassium permanganate:</p>The fused mass obtained from the above step is extracted with water when a green solution of potassium manganate is obtained.It is now treated with a current of  carbon dioxide <b>or</b> chlorine <b>or</b> ozone , when potassium manganate is oxidized into potassium permanganate.</li>
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q3a></input> K<sub>2</sub>MnO<sub>4</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q3b></input> CO<sub>2</sub>&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q3c></input> KMnO<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1   name=q3d></input> MnO<sub>2</sub> +<input style="font-size: 16px; text-align: center" size=1   name=q3e></input>K<sub>2</sub>CO<sub>3</sub> </p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(3,'Extraction of Potassium permanganate',3,2,2,1,2,0,0,'K<sub>2</sub>MnO<sub>4</sub> + CO<sub>2</sub>',' KMnO<sub>4</sub> + MnO<sub>2</sub> + K<sub>2</sub>CO<sub>3</sub>');" type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset" value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(3,'Extraction of Potassium permanganate',3,2,2,1,2,0,0,' 3K<sub>2</sub>MnO<sub>4</sub> + 2CO<sub>2</sub>',' 2KMnO<sub>4</sub> + MnO<sub>2</sub> + 2K<sub>2</sub>CO<sub>3</sub>');" type="button" value="Show answer"></input> </p>
+  
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q4a></input> K<sub>2</sub>MnO<sub>4</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=qb></input> Cl<sub>2</sub>&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q4c></input> KMnO<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1   name=q4d></input> KCl </p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(4,'Extraction of Potassium permanganate',2,1,2,2,0,0,0,'K<sub>2</sub>MnO<sub>4</sub> + Cl<sub>2</sub>',' KMnO<sub>4</sub> + KCl');" type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset" value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(4,'Extraction of Potassium permanganate',2,1,2,2,0,0,0,'2K<sub>2</sub>MnO<sub>4</sub> + Cl<sub>2</sub>',' 2KMnO<sub>4</sub> + 2KCl');" type="button" value="Show answer"></input> </p>
+  
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q5a></input> K<sub>2</sub>MnO<sub>4</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q5b></input> O<sub>3</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q5c></input>H<sub>2</sub>O&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q5d></input> KMnO<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1   name=q5e></input> O<sub>2</sub> +<input style="font-size: 16px; text-align: center" size=1   name=q5f></input>KOH </p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(5,'Extraction of Potassium permanganate',2,1,1,2,1,2,0,'K<sub>2</sub>MnO<sub>4</sub> + O<sub></sub> + H<sub>2</sub>O',' KMnO<sub>4</sub> + O<sub>2</sub> + KOH');" type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset" value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(5,'Extraction of Potassium permanganate',2,1,1,2,1,2,0,'K<sub>2</sub>MnO<sub>4</sub> + O<sub>3</sub> + H<sub>2</sub>O',' KMnO<sub>4</sub> + O<sub>2</sub> + KOH');" type="button" value="Show answer"></input> </p></ul> 
+
+  
+  <li><h4>Oxidizing reactions of Potassium permanganate:</h4></li>
+  
+  <ul><li><p style="font-size:115%; color:blue;">In acidic medium:</p>In the presence of dilute sulphuric acid Potassium permanganate oxidizes:</li>
+  <ol><li> Potassium iodide into iodine.</li>
+  
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q6a></input> KMnO<sub>4</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q6b></input> H<sub>2</sub>SO<sub>4</sub> + <input  style="font-size: 16px; text-align: center" size=1 name=q6c></input>KI &#8594 <input  style="font-size: 16px; text-align: center" size=1 name=q6d></input> K<sub>2</sub>SO<sub>4</sub> +   <input style="font-size: 16px; text-align: center" size=1 name=q6e></input> MnSO<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1 name=q6f></input>H<sub>2</sub>O + <input style="font-size: 16px; text-align: center" size=1 name=q6g> I<sub>2</sub> </p> 
+   <p style="font-size:115%; text-align:center;"><input onclick="check(6,'Reactions of Potassium permanganate',2,8,10,6,2,8,5,'KMnO<sub>4</sub> +H<sub>2</sub>SO<sub>4</sub> + KI','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>O + I<sub>2</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(6,'Reactions of Potassium permanganate',2,8,10,6,2,8,5,'2KMnO<sub>4</sub> + 8H<sub>2</sub>SO<sub>4</sub> + 10KI',' 6K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 8H<sub>2</sub>O + 5I<sub>2</sub>');"type="button" value="Show answer"></input> </p>
+<p><p/>
+  <li>Ferrous salts into ferric salts:</li> 
+  
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q7a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q7b></input>H<sub>2</sub>SO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q7c></input>FeSO<sub>4</sub>&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q7d></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q7e></input>MnSO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q7f></input>H<sub>2</sub>O+<input style="font-size: 16px; text-align: center" size=1 name=q7g> Fe<sub>2</sub> (SO<sub>4</sub>)<sub>3</sub> </p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(7,'Reactions of Potassium permanganate',2,8,10,1,2,8,5,'KMnO<sub>4</sub> +H<sub>2</sub>SO<sub>4</sub> + FeSO<sub>4</sub>','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>O + Fe<sub>2</sub> (SO<sub>4</sub>)<sub>3</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(7,'Reactions of Potassium permanganate',2,8,10,1,2,8,5,'2KMnO<sub>4</sub> +8H<sub>2</sub>SO<sub>4</sub> + 10FeSO<sub>4</sub>','  K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 8H<sub>2</sub>O + 5Fe<sub>2</sub> (SO<sub>4</sub>)<sub>3</sub>');"type="button" value="Show answer"></input> </p>
+
+  <p></p>
+ <li>Sulphites into sulphates: </li>
+  
+  <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q8a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q8b></input>H<sub>2</sub>SO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q8c></input>Na<sub>2</sub>SO<sub>3</sub>&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q8d></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q8e></input>MnSO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q8f></input>H<sub>2</sub>O+<input style="font-size: 16px; text-align: center" size=1 name=q8g> Na<sub>2</sub>SO<sub>4</sub> </p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(8,'Reactions of Potassium permanganate',2,3,5,1,2,3,5,'KMnO<sub>4</sub> +H<sub>2</sub>SO<sub>4</sub> + Na<sub>2</sub>SO<sub>3</sub>','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>O + Na<sub>2</sub>SO<sub>4</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(8,'Reactions of Potassium permanganate',2,3,5,1,2,3,5,'2KMnO<sub>4</sub> +3H<sub>2</sub>SO<sub>4</sub> + 5Na<sub>2</sub>SO<sub>3</sub>',' K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 3H<sub>2</sub>O + 5Na<sub>2</sub>SO<sub>4</sub>');"type="button" value="Show answer"></input> </p>
+
+  <p></p>
+<li>Hydrogen sulphide into sulphur:</li> 
+  
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q9a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q9b></input>H<sub>2</sub>SO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q9c></input>H<sub>2</sub>S&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q9d></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q9e></input>MnSO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q9f></input>H<sub>2</sub>O+<input style="font-size: 16px; text-align: center" size=1 name=q9g>S</sub> </p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(9,'Reactions of Potassium permanganate',2,3,5,1,2,8,5,'KMnO<sub>4</sub> +H<sub>2</sub>SO<sub>4</sub> + H<sub>2</sub>S','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>O + S');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(9,'Reactions of Potassium permanganate',2,3,5,1,2,8,5,'2KMnO<sub>4</sub> +3H<sub>2</sub>SO<sub>4</sub> + 5H<sub>2</sub>S',' K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 8H<sub>2</sub>O + 5S');"type="button" value="Show answer"></input> </p>
+
+  <p></p>
+<li>Sulphur dioxide into sulphuric acid :</li> 
+  
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q10a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q10b></input>SO<sub>2</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q10c></input>H<sub>2</sub>O&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q10d></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q10e></input>MnSO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q10f></input>H<sub>2</sub>SO<sub>4</sub></p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(10,'Reactions of Potassium permanganate',2,5,2,1,2,2,0,'KMnO<sub>4</sub> +SO<sub>2</sub> + H<sub>2</sub>O','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>SO<sub>4</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(10,'Reactions of Potassium permanganate',2,5,2,1,2,2,0,'2KMnO<sub>4</sub> +5SO<sub>2</sub> + 2H<sub>2</sub>O',' K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 2H<sub>2</sub>SO<sub>4</sub>');"type="button" value="Show answer"></input> </p>
+
+  <p></p>
+<li>Hydrogen peroxide into water and oxygen:</li> 
+  
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q11a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q11b></input>H<sub>2</sub>SO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q11c></input>H<sub>2</sub>O<sub>2</sub>&#8594 <input style="font-size: 16px; TEXT-AliGN: center" size=1 name=q11d></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q11e></input>MnSO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q11f></input>H<sub>2</sub>O +<input style="font-size: 16px; text-align: center" size=1 name=q11g></input>O<sub>2</sub></p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(11,'Reactions of Potassium permanganate',2,3,5,1,2,8,5,'KMnO<sub>4</sub> +H<sub>2</sub>SO<sub>4</sub> + H<sub>2</sub>O<sub>2</sub>','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>O + O<sub>2</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(11,'Reactions of Potassium permanganate',2,3,5,1,2,8,5,'2KMnO<sub>4</sub> +3H<sub>2</sub>SO<sub>4</sub> + 5H<sub>2</sub>O<sub>2</sub>',' K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 8H<sub>2</sub>O + 5O<sub>2</sub>');"type="button" value="Show answer"></input> </p>
+
+  <p></p>
+<li>Nitrites into corresponding nitrates : </li>
+  
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q12a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q12b></input>H<sub>2</sub>SO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q12c></input>NaNO<sub>2</sub>&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q12d></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q12e></input>MnSO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q12f></input>H<sub>2</sub>O + <input style="font-size: 16px; text-align: center" size=1 name=q12g></input>NaNO<sub>3</sub></p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(12,'Reactions of Potassium permanganate',2,3,5,1,2,3,5,'KMnO<sub>4</sub> +H<sub>2</sub>SO<sub>4</sub> + NaNO<sub>2</sub>','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>O + NaNO<sub>3</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(12,'Reactions of Potassium permanganate',2,3,5,1,2,3,5,'2KMnO<sub>4</sub> +3H<sub>2</sub>SO<sub>4</sub> + 5NaNO<sub>2</sub>',' K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 3H<sub>2</sub>O + 5NaNO<sub>3</sub>');"type="button" value="Show answer"></input> </p>
+
+  <p></p>
+<li>Oxalic acid into carbon dioxide :</li> 
+  
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q13a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q13b></input>H<sub>2</sub>SO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q13c></input>H<sub>2</sub>C<sub>2</sub>O<sub>4</sub>&#8594 <input style="font-SIZE: 18px; text-align: center" size=1 name=q13d></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q13e></input>MnSO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q13f></input>H<sub>2</sub>O+<input style="font-size: 16px; text-align: center" size=1 name=q13g></input>CO<sub>2</sub></p>
+  <p><p style="font-size:115%; text-align:center;"><input onclick="check(13,'Reactions of Potassium permanganate',2,3,5,1,2,8,10,'KMnO<sub>4</sub> +H<sub>2</sub>SO<sub>4</sub> + H<sub>2</sub>C<sub>2</sub>O<sub>4</sub>','K<sub>2</sub>SO<sub>4</sub> + MnSO<sub>4</sub> + H<sub>2</sub>O + CO<sub>2</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(13,'Reactions of Potassium permanganate',2,3,5,1,2,8,10,'2KMnO<sub>4</sub> +3H<sub>2</sub>SO<sub>4</sub> + 5H<sub>2</sub>C<sub>2</sub>O<sub>4</sub>',' K<sub>2</sub>SO<sub>4</sub> + 2MnSO<sub>4</sub> + 8H<sub>2</sub>O + 10CO<sub>2</sub>');"type="button" value="Show answer"></input> </p>
+</ol>
+  <p></p>
+<li><p style="font-size:115%; color:blue;">In alkaline medium:</p>Alkaline Potassium permanganate oxidizes Potassium iodide into Potassium iodate. 
+  
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q14a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q14b></input>KI+<input  style="font-size: 16px; text-align: center" size=1 name=q14c></input>H<sub>2</sub>O&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q14d></input>MnO<sub>2</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q14e></input>KOH+<input style="font-size: 16px; text-align: center" size=1 name=q14f></input>KIO<sub>3</sub></p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(14,'Reactions of Potassium permanganate',2,1,1,2,2,1,0,'KMnO<sub>4</sub> +KI + H<sub>2</sub>O','MnO<sub>2</sub> + KOH + KIO<sub>3</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(14,'Reactions of Potassium permanganate',2,1,1,2,2,1,0,'2KMnO<sub>4</sub> +KI + H<sub>2</sub>O','2MnO<sub>2</sub> + 2KOH + KIO<sub>3</sub>');"type="button" value="Show answer"></input> </p>
+
+  <p></p>
+<li> <p style="font-size:115%; color:blue;">In neutral medium:</p> Neutral Potassium permanganate oxidizes:
+<ol><li>Manganous sulphate into manganese dioxide
+
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q15a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q15b></input>MnSO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q15c></input>H<sub>2</sub>O&#8594 <input style="font-size: 16px; text-align: center" size=1 name=q15d></input>MnO<sub>2</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q15e></input>K<sub>2</sub>SO<sub>4</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q15f></input>H<sub>2</sub>SO<sub>4</sub></p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(15,'Reactions of Potassium permanganate',2,3,2,5,1,2,0,'KMnO<sub>4</sub> +MnSO<sub>4</sub> + H<sub>2</sub>O','MnO<sub>2</sub> + K<sub>2</sub>SO<sub>4</sub> + H<sub>2</sub>SO<sub>4</sub>');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(15,'Reactions of Potassium permanganate',2,3,2,5,1,2,0,'2KMnO<sub>4</sub> +3MnSO<sub>4</sub> + 2H<sub>2</sub>O',' 5MnO<sub>2</sub> + K<sub>2</sub>SO<sub>4</sub> + 2H<sub>2</sub>SO<sub>4</sub>');"type="button" value="Show answer"></input> </p>
+
+<li>Hydrogen sulphide into Sulphur:</li>
+
+ <p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center" 
+  size=1 name=q16a></input>KMnO<sub>4</sub>+<input  style="font-size: 16px; text-align: center" size=1 name=q16b></input>H<sub>2</sub>S &#8594 <input style="font-size: 16px; text-align: center" size=1 name=q16c></input>KOH +<input style="font-size: 16px; text-align: center" size=1 name=q16d></input>MnO<sub>2</sub>+<input style="font-size: 16px; text-align: center" size=1 name=q16e></input>H<sub>2</sub>O +<input style="font-size: 16px; text-align: center" size=1 name=q16f></input>S </p>
+  <p style="font-size:115%; text-align:center;"><input onclick="check(16,'Reactions of Potassium permanganate',2,3,2,2,2,3,0,'KMnO<sub>4</sub> +H<sub>2</sub>S','KOH + MnO<sub>2</sub> + H<sub>2</sub>O + S');"type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp; &nbsp;<input type="reset"  value="Reset"></input>&nbsp;&nbsp;&nbsp; <input onclick="show(16,'Reactions of Potassium permanganate',2,3,2,2,2,3,0,'2KMnO<sub>4</sub> +3H<sub>2</sub>S',' 2KOH + 2MnO<sub>2</sub> + 2H<sub>2</sub>O + 3S');"type="button" value="Show answer"></input> </p></ul>
+
+ </ol> </ul></form>
+<p></p>
+
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+<tr>
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