1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The cell, Zn | Zn2+ (1M) || Cu2+ (1M) | Cu($$E_{cell}^o$$ = 1.10V) was allowed to be completely discharged at 298 K. The relative concentration of Zn2+ to Cu2+ $$\left[ {{{\left[ {Z{n^{2 + }}} \right]} \over {\left[ {C{u^{2 + }}} \right]}}} \right]$$ is
A
antilog (24.08)
B
37.3
C
1037.3
D
9.65 $$\times$$ 104
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Given the data at 25oC,
Ag + I- $$\to$$ AgI + e- , Eo = 0.152 V
Ag $$\to$$ Ag+ + e-, Eo = -0.800 V
What is the value of log Ksp for AgI? (2.303 RT/F = 0.059 V)
A
–8.12
B
+8.612
C
–37.83
D
–16.13
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The molar conductivities $$ \wedge _{NaOAc}^o$$ and $$ \wedge _{HCl}^o$$ and at infinite dilution in water at 25oC are 91.0 and 426.2 Scm2/mol respectively. To calculate $$ \wedge _{HOAc}^o$$ , the additional value required is
A
$$ \wedge _{{H_2}O}^o$$
B
$$ \wedge _{KCl}^o$$
C
$$ \wedge _{NaOH}^o$$
D
$$ \wedge _{NaCl}^o$$
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Resistance of a conductivity cell filled with a solution of an electrolyte of concentration 0.1 M is 100$$\Omega $$. The conductivity of this solution is 1.29 S m–1. Resistance of the same cell when filled with 0.2 M of the same solution is 520 $$\Omega $$, The molar conductivity of 0.02 M solution of the electrolyte will be
A
124 $$\times$$ 10–4 S m2 mol–1
B
1240 $$\times$$ 10–4 S m2 mol–1
C
1.24 $$\times$$ 10–4 S m2 mol–1
D
12.4 $$\times$$ 10–4 S m2 mol–1
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