-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathhydrogen-sulphide.html
213 lines (196 loc) · 18.6 KB
/
hydrogen-sulphide.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Hydrogen Sulphide</title>
<script src="chem1.js" defer></script>
<script src="timer.js" defer></script>
<meta name="Keywords" content="exercises, balancing, chemistry, equations, hydrogen-chloride, ammonia, nitric-acid, nitrates, sulphur-dioxide, hydrogen-sulphide, sodium-hydroxide, sulphuric-acid, preparation ">
<meta name="author" content="Jiban Majumdar">
<link rel="stylesheet" href="mystyle.css">
</head>
<body>
<div>
<img src="myPhoto.jpg" alt="webmaster" width="150" height="200"> <br> <a href="mailto:jibanmajumdar@gmail.com">webmaster</a>
</div>
<table class="center">
<tr>
<td><a href="index.html">Home Page</a></td>
<td><a href="equ.html">Elementary Equations</a></td>
<td><a href="advanced.html">Advanced Equations</a></td>
<td><a href="assorted.html">Assorted Equations</a></td>
<td><a href="chlorine.html">Chlorine</a></td>
<td><a href="ammonia.html">Ammonia</a></td>
</tr>
<tr>
<td><a href="nitric-acid.html">Nitric Acid</a></td>
<td><a href="sulphur-dioxide.html">Sulphur Dioxide</a></td>
<td><a href="hydrogen-chloride.html">Hydrogen Chloride</a></td>
<td><a href="sulphuric-acid.html">Sulphuric Acid</a></td>
<td><a href="sodium-hydroxide.html">Sodium Hydroxide</a></td>
<td></td>
</tr>
</table>
<h1 style="text-align:center;">Hydrogen Sulphide</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>
<li>If you want to know the time taken (minutes:seconds) to balance a chemical equation, you click the <span style="color:blue;"><b>"Start"</b></span> button and after balancing the equation, click the <span style="color:blue;"><b>"Stop"</b></span>button. Once, you have noted the time, click the <span style="color:blue;"><b>"Reset Timer"</b></span> button.
</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">
<h4>Preparation of Hydrogen Sulphide:</h4>
1. When Iron (II)Sulphide is reacted with dilute Hydrochloric acid, Hydrogen sulphide gas is formed:
<p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center;"
size=1 name=q1a> FeS + <input style="font-size: 16px; text-align:center;" size=1 name=q1b> HCl → <input style="font-size: 16px; text-align: center;" size=1 name=q1c> FeCl<sub>2</sub>+ <input style="font-size:16px;text-align:center" size=1 name=q1d> H<sub>2</sub>S</p>
<p style="font-size:115%; text-align:center;">
<input onclick="check(1,'Preparation of Hydrogen sulphide',1,2,1,1,0,0,'FeS + HCl','FeCl<sub>2</sub> + H<sub>2</sub>S');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(1,'Preparation of Hydrogen sulphide',1,2,1,1,0,0,'FeS + 2HCl','FeCl<sub>2</sub> + H<sub>2</sub>S');" type="button" value="Show answer"></p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer1">00:00</span>
<button type="button" onclick="startTimer('timer1')">Start</button>
<button type="button" onclick="stopTimer('timer1')">Stop</button>
<button type="button" onclick="resetTimer('timer1')">Reset Timer</button>
</p>
<p></p>
2. When Iron (II)Sulphide is reacted with dilute Sulphuric acid, Hydrogen sulphide gas is formed:
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center;"
size=1 name=q2a> FeS + <input style="font-size: 16px; text-align:center;" size=1 name=q2b> H<sub>2</sub>SO<sub>4</sub>→ <input style="font-size: 16px; text-align: center;" size=1 name=q2c> FeSO<sub>4</sub>+ <input style="font-size:16px;text-align:center," size=1 name=q2d> H<sub>2</sub>S</p>
<p style="font-size:115%; text-align:center;">
<input onclick="check(2,'Preparation of Hydrogen sulphide',1,1,1,1,0,0,'FeS + H<sub>2</sub>SO<sub>4</sub>','FeSO<sub>4</sub> + H<sub>2</sub>S');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(2,'Preparation of Hydrogen sulphide',1,1,1,1,0,0,'FeS + H<sub>2</sub>SO<sub>4</sub>','FeSO<sub>4</sub> + H<sub>2</sub>S');" type="button" value="Show answer"></p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer2">00:00</span>
<button type="button" onclick="startTimer('timer2')">Start</button>
<button type="button" onclick="stopTimer('timer2')">Stop</button>
<button type="button" onclick="resetTimer('timer2')">Reset Timer</button>
</p>
<p></p>
<h4>Reactions of Hydrogen Sulphide:</h4>
1. Hydrogen sulphide gas burns in limited amount of air to form Sulphur and water:
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center;"
size=1 name=q3a> H<sub>2</sub>S + <input style="font-size: 16px; text-align: center;" size=1 name=q3b> O<sub>2</sub>→ <input style="font-size: 16px; text-align: center;" size=1 name=q3c> S + <input style="font-size: 16px; text-align: center;" size=1 name=q3d> H<sub>2</sub>O </p>
<p style="font-size:115%; text-align:center;"> <input onclick="check(3,'Reactions of Hydrogen sulphide',2,1,2,2,0,0,'H<sub>2</sub>S + O<sub>2</sub>','S + H<sub>2</sub>O');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(3,'Reactions of Hydrogen sulphide',2,1,2,2,0,0,'2H<sub>2</sub>S + O<sub>2</sub>','2S + 2H<sub>2</sub>O');" type="button" value="Show answer"> </p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer3">00:00</span>
<button type="button" onclick="startTimer('timer3')">Start</button>
<button type="button" onclick="stopTimer('timer3')">Stop</button>
<button type="button" onclick="resetTimer('timer3')">Reset Timer</button>
</p>
<p></p>
2. In excess air Hydrogen sulphide gas burns with a blue flame to form Sulphur dioxide and water:
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center;"
size=1 name=q4a> H<sub>2</sub>S + <input style="font-size: 16px; text-align: center;" size=1 name=q4b> O<sub>2</sub>→ <input style="font-size: 16px; text-align: center;" size=1 name=q4c> SO<sub>2</sub> + <input style="font-size: 16px; text-align: center;" size=1 name=q4d> H<sub>2</sub>O </p>
<p style="font-size:115%; text-align:center;"> <input onclick="check(4,'Reactions of Hydrogen sulphide',2,3,2,2,0,0,'H<sub>2</sub>S + O<sub>2</sub>','SO<sub>2</sub> + H<sub>2</sub>O');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(4,'Reactions of Hydrogen sulphide',2,3,2,2,0,0,'2H<sub>2</sub>S + 3 O<sub>2</sub>',' 2SO<sub>2</sub> + 2H<sub>2</sub>O');" type="button" value="Show answer"> </p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer4">00:00</span>
<button type="button" onclick="startTimer('timer4')">Start</button>
<button type="button" onclick="stopTimer('timer4')">Stop</button>
<button type="button" onclick="resetTimer('timer4')">Reset Timer</button>
</p>
<p></p>
3. Hydrogen sulphide gas reacts with Chlorine gas to form Sulphur and Hydrogen chloride gas:
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center"
size=1 name=q5a> H<sub>2</sub>S + <input style="font-size: 16px; text-align: center;" size=1 name=q5b> Cl<sub>2</sub>→<input style="font-size: 16px; text-align: center;" size=1 name=q5c> S + <input style="font-size: 16px; text-align: center;" size=1 name=q5d> HCl</p>
<p style="font-size:115%; text-align:center;"> <input onclick="check(5,'Reactions of Hydrogen sulphide',1,1,1,2,0,0,'H<sub>2</sub>S + Cl<sub>2</sub>','S + HCl');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(5,'Reactions of Hydrogen sulphide',1,1,1,2,0,0,'H<sub>2</sub>S + Cl<sub>2</sub>','S + 2H<sub>2</sub>O');" type="button" value="Show answer"> </p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer5">00:00</span>
<button type="button" onclick="startTimer('timer5')">Start</button>
<button type="button" onclick="stopTimer('timer5')">Stop</button>
<button type="button" onclick="resetTimer('timer5')">Reset Timer</button>
</p>
<p></p>
4.Hydrogen sulphide gas reacts with Lead (II) nitrate solution to form black precipitate of Lead (II) sulphide:
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center;"
size=1 name=q6a> H<sub>2</sub>S + <input style="font-size: 16px; text-align: center;" size=1 name=q6b> Pb(NO<sub>3</sub>)<sub>2</sub>→ <input style="font-size: 16px; text-align: center;" size=1 name=q6c> PbS + <input style="font-size: 16px; text-align: center;" size=1 name=q6d> HNO<sub>3</sub> </p>
<p style="font-size:115%; text-align:center;"> <input onclick="check(6,'Reactions of Hydrogen sulphide',1,1,1,2,0,0,'H<sub>2</sub>S + Pb(NO<sub>3</sub>)<sub>2</sub>','PbS + HNO<sub>3</sub>');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(6,'Reactions of Hydrogen sulphide',1,1,1,2,0,0,'H<sub>2</sub>S + Pb(NO<sub>3</sub>)<sub>2</sub>','PbS + 2HNO<sub>3</sub>');" type="button" value="Show answer"> </p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer6">00:00</span>
<button type="button" onclick="startTimer('timer6')">Start</button>
<button type="button" onclick="stopTimer('timer6')">Stop</button>
<button type="button" onclick="resetTimer('timer6')">Reset Timer</button>
</p>
<p></p>
5.Hydrogen sulphide gas reacts with Copper (II) sulphate solution to form brownish black precipitate of Copper(II) sulphide:
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center;"
size=1 name=q7a> H<sub>2</sub>S + <input style="font-size: 16px; text-align: center;" size=1 name=q7b> CuSO<sub>4</sub>→<input style="font-size: 16px; text-align: center;" size=1 name=q7c> PbS + <input style="font-size: 16px; text-align: center;" size=1 name=q7d> H<sub>2</sub>SO<sub>4</sub> </p>
<p style="font-size:115%; text-align:center;"> <input onclick="check(7,'Reactions of Hydrogen sulphide',1,1,1,1,0,0,'H<sub>2</sub>S + CuSO<sub>4</sub>','CuS + H<sub>2SO<sub>4</sub>');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(7,'Reactions of Hydrogen sulphide',1,1,1,1,0,0,'H<sub>2</sub>S + CuSO<sub>4</sub>','CuS + H<sub>2</sub>SO<sub>4</sub>');" type="button" value="Show answer"> </p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer7">00:00</span>
<button type="button" onclick="startTimer('timer7')">Start</button>
<button type="button" onclick="stopTimer('timer7')">Stop</button>
<button type="button" onclick="resetTimer('timer7')">Reset Timer</button>
</p>
<p></p>
6.Hydrogen sulphide gas reacts with Zinc sulphate solution to form white precipitate of Zinc sulphide:
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center;"
size=1 name=q8a> H<sub>2</sub>S + <input style="font-size: 16px; text-align: center;" size=1 name=q8b> ZnSO<sub>4</sub>→<input style="font-size: 16px; text-align: center" size=1 name=q8c> ZnS + <input style="font-size: 16px; text-align: center;" size=1 name=q8d> H<sub>2</sub>SO<sub>4</sub> </p>
<p style="font-size:115%; text-align:center;"> <input onclick="check(8,'Reactions of Hydrogen sulphide',1,1,1,1,0,0,'H<sub>2</sub>S + ZnSO<sub>4</sub>','ZnS + H<sub>2SO<sub>4</sub>');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(8,'Reactions of Hydrogen sulphide',1,1,1,1,0,0,'H<sub>2</sub>S + ZnSO<sub>4</sub>','ZnS + H<sub>2</sub>SO<sub>4</sub>');" type="button" value="Show answer"> </p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer8">00:00</span>
<button type="button" onclick="startTimer('timer8')">Start</button>
<button type="button" onclick="stopTimer('timer8')">Stop</button>
<button type="button" onclick="resetTimer('timer8')">Reset Timer</button>
</p>
<p></p>
7.Hydrogen sulphide gas reduces Sulphur dioxide gas into Sulphur:
<p>
<p style="font-size:115%; text-align:center;"> <input style="font-size: 16px; text-align: center;"
size=1 name=q9a> H<sub>2</sub>S + <input style="font-size: 16px; text-align: center;" size=1 name=q9b> SO<sub>2</sub>→<input style="font-size: 16px; text-align: center" size=1 name=q9c> S + <input style="font-size: 16px; text-align: center" size=1 name=q9d> H<sub>2</sub>O </p>
<p style="font-size:115%; text-align:center;"> <input onclick="check(9,'Reactions of Hydrogen sulphide',2,1,3,2,0,0,'H<sub>2</sub>S + SO<sub>2</sub>','S + H<sub>2</sub>O');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(9,'Reactions of Hydrogen sulphide',2,1,3,2,0,0,'2H<sub>2</sub>S + SO<sub>2</sub>','3S + 2H<sub>2</sub>O');" type="button" value="Show answer"> </p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer9">00:00</span>
<button type="button" onclick="startTimer('timer9')">Start</button>
<button type="button" onclick="stopTimer('timer9')">Stop</button>
<button type="button" onclick="resetTimer('timer9')">Reset Timer</button>
</p>
<p ></p>
8.Hydrogen sulphide gas reduces Iron(III)chloride to Iron(II)chloride:
<p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center"
size=1 name=q10a> FeCl<sub>3</sub> + <input style="font-size: 16px; text-align:center" size=1 name=q10b> H<sub>2</sub>S → <input style="font-size: 16px; text-align: center" size=1 name=q10c> FeCl<sub>2</sub> + <input style="font-size:16px;text-align:center" size=1 name=q10d> HCl + <input style="font-size:16px;text-align:center" size=1 name=q10e> S </p>
<p style="font-size:115%; text-align:center;">
<input onclick="check(10,'Reactions of Hydrogen sulphide',2,1,2,2,1,0,'FeCl<sub>3</sub> + H<sub>2</sub>S ','FeCl<sub>2</sub> + HCl + S');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(10,'Reactions of Hydrogen sulphide',2,1,2,2,1,0,'2FeCl<sub>3</sub> + H<sub>2</sub>S ','2FeCl<sub>2</sub> + 2HCl + S');" type="button" value="Show answer"></p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer10">00:00</span>
<button type="button" onclick="startTimer('timer10')">Start</button>
<button type="button" onclick="stopTimer('timer10')">Stop</button>
<button type="button" onclick="resetTimer('timer10')">Reset Timer</button>
</p>
<p ></p>
9.Hydrogen sulphide gas reduces Nitric acid to reddish brown Nitrogen dioxide gas:
<p style="font-size:115%; text-align:center;"><input style="font-size: 16px; text-align: center"
size=1 name=q11a> HNO<sub>3</sub> + <input style="font-size: 16px; text-align:center" size=1 name=q11b> H<sub>2</sub>S → <input style="font-size: 16px; text-align: center" size=1 name=q11c> H<sub>2</sub>O + <input style="font-size:16px;text-align:center" size=1 name=q11d> NO<sub>2</sub> + <input style="font-size:16px;text-align:center" size=1 name=q11e> S </p>
<p style="font-size:115%; text-align:center;">
<input onclick="check(11,'Reactions of Hydrogen sulphide',2,1,2,2,1,0,'HNO<sub>3</sub> + H<sub>2</sub>S ','H<sub>2</sub>O + NO<sub>2</sub> + S');" type="button" value="Check answer"> <input type="reset" value="Reset"> <input onclick="show(11,'Reactions of Hydrogen sulphide',2,1,2,2,1,0,'2HNO<sub>3</sub> + H<sub>2</sub>S ','2H<sub>2</sub>O + 2NO<sub>2</sub> + S');" type="button" value="Show answer"></p>
<p style="font-size:115%; text-align:center;">
<span style="color:blue;"><b>Time Taken:</b></span><span class="timer" id="timer11">00:00</span>
<button type="button" onclick="startTimer('timer11')">Start</button>
<button type="button" onclick="stopTimer('timer11')">Stop</button>
<button type="button" onclick="resetTimer('timer11')">Reset Timer</button>
</p>
<p></p>
<table class="center">
<tr>
<td><a href="index.html">Home Page</a></td>
<td><a href="equ.html">Elementary Equations</a></td>
<td><a href="advanced.html">Advanced Equations</a></td>
<td><a href="assorted.html">Assorted Equations</a></td>
<td><a href="chlorine.html">Chlorine</a></td>
<td><a href="ammonia.html">Ammonia</a></td>
</tr>
<tr>
<td><a href="nitric-acid.html">Nitric Acid</a></td>
<td><a href="sulphur-dioxide.html">Sulphur Dioxide</a></td>
<td><a href="hydrogen-chloride.html">Hydrogen Chloride</a></td>
<td><a href="sulphuric-acid.html">Sulphuric Acid</a></td>
<td><a href="sodium-hydroxide.html">Sodium Hydroxide</a></td>
<td><a href="#top">TOP</a></td>
</tr>
</table>
</form>
<p></p>
<address>
For feedback, please e-mail to:<a href="mailto:jibanmajumdar@gmail.com">jibanmajumdar@gmail.com</a>
</address> </body>
</html>