1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
For a cell reaction involving a two-electron change, the standard e.m.f. of the cell is found to be 0.295 V at 25oC. The equilibrium constant of the reaction at 25oC will be
A
29.5 $$\times$$ 10-2
B
10
C
1 $$\times$$ 1010
D
1 $$\times$$ 10-10
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Standard reduction electrode potentials of three metals A,B&C are respectively +0.5 V, -3.0 V & -1.2 V. The reducing, powers of these metals are
A
A > B > C
B
C > B > A
C
A > C > B
D
B > C > A
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
When during electrolysis of a solution of AgNO3, 9650 coulombs of charge pass through the electroplating bath, the mass of silver deposited on the cathode will be :
A
10.8 g
B
21.6 g
C
108 g
D
1.08 g
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
For the redox reaction Zn(s) + Cu2+(0.1 M) $$\to$$ Zn2+(1M) + Cu(s) taking place in a cell, $$E_{cell}^o$$ is 1.10 volt. Ecell for the cell will be ($$2.303{{RT} \over F}$$ = 0.0591)
A
1.80 volt
B
1.07 volt
C
0.82 volt
D
2.14 volt
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