This Electrochemistry Test for 12th Grade assesses understanding of key concepts like ionic mobility, cell reactions, and electrical conductivity. It evaluates critical thinking and application skills in electrochemistry, essential for advanced studies in chemistry.
1F
3F
5F
6F
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4×1015
2 × 1010
4 ×1010
2.4 ×1010
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278
128
302
176
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140
1.4
14.0
0.14
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A
B
C
D
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ΔGo>0 ;Keq
ΔGo>0;Keq>1
ΔGo
ΔGo1
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Increase in number of ions
Increase in ionic mobility
100% ionization at normal dilution
Both a and b
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−ve , >1 ,+ve
−ve, >1, -ve
−ve,
+ve, >1,-ve
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Electrons flow from copper electrode to zinc electrode
Current flows from zinc electrode to copper electrode
Cations move toward copper electrode
Cations move toward zinc electrode
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21.6 g
1.08 g
10.8 g
108 g
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108
180
18000
3000
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Option 1
Option 2
Option 3
Option 4
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0.1 M acetic acid
0.1M difluoroacetic
0.1M chloroacetic
0.1 M fluoroacetic acid
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A
B
C
D
6250
6.25 × 10-4
625 × 10-4
62.5
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290.8
390.5
425.5
180.5
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-0.76
O.76
-0.38
0.38
9.89 g
107.87 g
1.0787 g
100.2 g
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A
B
C
D
AuCl3
AgNO3
CuSO4
CaCl2
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Specific conductance increases on dilution
Specific conductance decreases on dilution
Molar conductance increases on dilution
Equivalent conductance increases on dilution
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A
B
C
D
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₹ 10
₹ 27
₹ 44.44
₹ 66.67
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−RT ln(0.01)
−RTln(0.1)
+RTln(0.1)
+RTln(0.01)
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