1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The equivalent conductances of two strong electrolytes at infinite dilution in H2O (where ions move freely through a solution) at 25oC are given below:
$$ \wedge _{C{H_3}COONa}^o$$ = 91.0 S cm2/equiv
$$ \wedge _{HCl}^o$$ = 426.2 S cm2/equiv
What additional information/quantity one needs to calculate $$ \wedge ^o$$ of an aqueous solution of acetic acid?
A
$$ \wedge ^o$$ of chloroacetic acid (C/CH2COOH)
B
$$ \wedge ^o$$ of NaCl
C
$$ \wedge ^o$$ of CH3COOK
D
The limiting equivalent conductance of $${H^ + }( \wedge _{{H^ + }}^o)$$
2
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
3
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
4
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
$$ \wedge _{NaCl}^o$$
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12