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1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Find the emf of the cell in which the following reaction takes place at 298 K

Ni(s) + 2Ag+ (0.001 M) $$\to$$ Ni2+ (0.001 M) + 2Ag(s)

(Given that E$$_{cell}^o$$ = 10.5 V, $${{2.303\,RT} \over F} = 0.059$$ at 298 K)

A
1.0385 V
B
1.385 V
C
0.9615 V
D
1.05 V
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The molar conductance of NaCl, HCl and CH3COONa at infinite dilution are 126.45, 426.16 and 91.0 S cm2 mol$$-$$1 respectively. The molar conductance of CH3COOH at infinite dilution is. Choose the right option for your answer.
A
540.48 S cm2 mol$$-$$1
B
201.28 S cm2 mol$$-$$1
C
390.71 S cm2 mol$$-$$1
D
698.28 S cm2 mol$$-$$1
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The molar conductivity of 0.007 M acetic acid is 20 S cm2 mol$$-$$1. What is the dissociation constant of acetic acid? Choose the correct option.

[$$\Lambda _{{H^ + }}^o$$ = 350 S cm2 mol$$-$$1

$$\Lambda _{C{H_3}CO{O^ - }}^o$$ = 50 S cm2 mol$$-$$1]
A
2.50 $$\times$$ 10$$-$$5 mol L$$-$$1
B
1.75 $$\times$$ 10$$-$$4 mol L$$-$$1
C
2.50 $$\times$$ 10$$-$$4 mol L$$-$$1
D
1.75 $$\times$$ 10$$-$$5 mol L$$-$$1
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
On electrolysis of dil. sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be :
A
Oxygen gas
B
H2S gas
C
SO2 gas
D
Hydrogen gas
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