# Electrochemistry MCQ For NEET Pdf Download (Nernst Equation)

Electrochemistry MCQ For NEET Pdf Download (Nernst Equation) for AIIMS, NEET, JEE provides a comprehensive coverage of the fundamental concepts in the fields of Electrochemistry. It contains a variety of questions from previous years’ AIIMS, NEET and JEE papers.

## Electrochemistry MCQ For NEET Pdf Download (Nernst Equation)

a) 0.63 V

b) 0.49 V

c) 1.23 V

d) 3.24 V

#### 2. What is the correct Nernst equation for M2+ (aq) + 2e+ → M (s) at 45°C?

a) E°(M2+/M) + 0.315log10 (1 / [M]+2)

b) E° (M2+/M) + 0.0425log10 (1 / [M]+2)

c) E° (M2+/M) + 0.0315log10 (1 / [M]+2)

d) E° (M2+/M) + 0.0326log10 (1 / [M]+2)

Answer: E° (M2+/M) + 0.0315log10 (1 / [M]+2)

a) 0.0125 M

b) 0.0314 M

c) 0.0625 M

d) 0.0174 M

#### 4. Calculate the electrode potential of the given electrode.

Pt, Cl2(2 bar)| 2Cl–(0.02 M); E°(Cl2 | 2Cl–) = 3.4 V

a) 3.51 V

b) 3.55 V

c) 1.26 V

d) 2.95 V

#### 5. A zinc rod dipped in n molar solution of ZnSO4 has an electrode potential of -0.56 V. The salt is 98 percent dissociated at room temperature. What is the molarity of the solution? (E°(Zn+2/Zn) = -0.5 V)

a) 8.44 × 10-3 M

b) 9.44 × 10-4 M

c) 8.44 × 10-4 M

d) 9.44 × 10-3 M

Answer: 9.44 × 10-3 M

a) 2.17

b) 2.98

c) 3.73

d) 3.14

#### 7. What is the value of universal gas constant in Nernst equation when the potential is given in volts?

a) 8.314 J mol-1K-1

b) 0.0821 L atm mol-1K-1

c) 8.205 m3 atm mol-1K-1

d) 1.987 cal mol-1K-1

Answer: 8.314 J mol-1K-1

a) 2

b) 6

c) 4

d) 1

a) 4

b) 3

c) 2

d) 1

a) 5.08

b) 4

c) 4.5

d) 5.25

#### 11. Calculate the equilibrium constant for the reaction Fe + CuSO4⇌ FeSO4 + Cu at 25°C.

(Given E°(OP/Fe) = 0.5 V°, E°(OP/Cu) = -0.4 V)

a) 3.46 × 1030

b) 3.46 × 1026

c) 3.22 × 1030

d) 3.22 × 1026

Answer: 3.22 × 1030

#### 12. Calculate the e.m.f. of the half-cell given below.

Pt, H2 | HCl at 1-atmosphere pressure and 0.1 M. Given, E°(OP) = 2 V.

a) 4 V

b) 5.6 V

c) 3.4 V

d) 5.4 V