NEET Chemistry: Electrochemistry — Free Practice Set 4 (10 MCQs)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Electrochemistry. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Constant, Resistance, Solution, Conductivity, Reaction, and Operates.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. What is the cell constant if the resistance of a 0.05 M KCl solution is 100 Ω and its conductivity is 0.0065 S cm\(^{-1}\)?

A. 0.065 cm\(^{-1}\)
B. 0.65 cm\(^{-1}\)
C. 6.5 cm\(^{-1}\)
D. 1.3 cm\(^{-1}\)

Q2. In a mercury cell, what is the overall cell reaction?

A. \( Zn + HgO + H_2O \rightarrow ZnO + Hg + OH^- \)
B. \( Zn + 2HgO \rightarrow ZnO + Hg_2 \)
C. \( Zn + Hg^{2+} \rightarrow Zn^{2+} + Hg \)
D. \( Zn + HgO \rightarrow ZnO + Hg \)

Q3. A cell \( Zn(s) | Zn^{2+}(0.02 \, M) || Fe^{3+}(0.05 \, M), Fe^{2+}(0.01 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Zn^{2+}/Zn} = -0.76 \, V \), \( E^\circ_{Fe^{3+}/Fe^{2+}} = 0.77 \, V \))

A. 1.53 V
B. 1.5866 V
C. 1.4734 V
D. 1.60 V

Q4. A cell \( Sn(s) | Sn^{2+}(0.001 \, M) || I_2(s) | I^-(0.02 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Sn^{2+}/Sn} = -0.14 \, V \), \( E^\circ_{I_2/I^-} = 0.54 \, V \))

A. 0.68 V
B. 0.577 V
C. 0.783 V
D. 0.85 V

Q5. What is the standard emf of a cell with the reaction \( Mn(s) + Hg^{2+}(aq) \rightarrow Mn^{2+}(aq) + Hg(l) \)? (Given: \( E^\circ_{Mn^{2+}/Mn} = -1.18 \, V \), \( E^\circ_{Hg^{2+}/Hg} = 0.85 \, V \))

A. 2.03 V
B. 1.18 V
C. 0.33 V
D. -2.03 V

+ 5 more questions in the actual test

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NEET Chemistry — Electrochemistry

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Preview of Questions in this Test

Q1. What is the cell constant if the resistance of a 0.05 M KCl solution is 100 Ω and its conductivity is 0.0065 S cm\(^{-1}\)?

Q2. In a mercury cell, what is the overall cell reaction?

Q3. A cell \( Zn(s) | Zn^{2+}(0.02 \, M) || Fe^{3+}(0.05 \, M), Fe^{2+}(0.01 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Zn^{2+}/Zn} = -0.76 \, V \), \( E^\circ_{Fe^{3+}/Fe^{2+}} = 0.77 \, V \))

Q4. A cell \( Sn(s) | Sn^{2+}(0.001 \, M) || I_2(s) | I^-(0.02 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Sn^{2+}/Sn} = -0.14 \, V \), \( E^\circ_{I_2/I^-} = 0.54 \, V \))

Q5. What is the standard emf of a cell with the reaction \( Mn(s) + Hg^{2+}(aq) \rightarrow Mn^{2+}(aq) + Hg(l) \)? (Given: \( E^\circ_{Mn^{2+}/Mn} = -1.18 \, V \), \( E^\circ_{Hg^{2+}/Hg} = 0.85 \, V \))

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NEET Chemistry: Electrochemistry — MCQ Test 4

Q6. How much charge (in coulombs) is required to deposit 0.54 g of nickel from NiSO\(_4\) solution? (Atomic mass of Ni = 54 g/mol, F = 96500 C/mol)

Q7. The degree of dissociation of a weak acid is 0.1, and its molar conductivity at infinite dilution is 380 S cm\(^2\) mol\(^{-1}\). What is its molar conductivity at that concentration?

Q8. What is the standard Gibbs energy change for a cell with \( E^\circ_{cell} = 0.59 \, V \) and 1 electron transferred? (F = 96500 C/mol)

Q9. In a fuel cell, the anode reaction produces 0.224 L of H\(_2\)O vapor at STP from H\(_2\). How many coulombs are involved? (F = 96500 C/mol)

Q10. How much charge (in coulombs) is required to oxidize 1 mole of H\(_2\)O to O\(_2\)? (F = 96500 C/mol)

NEET Chemistry — Electrochemistry

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Question Bank

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NEET PYQs

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. What is the cell constant if the resistance of a 0.05 M KCl solution is 100 Ω and its conductivity is 0.0065 S cm\(^{-1}\)?

Q2. In a mercury cell, what is the overall cell reaction?

Q3. A cell \( Zn(s) | Zn^{2+}(0.02 \, M) || Fe^{3+}(0.05 \, M), Fe^{2+}(0.01 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Zn^{2+}/Zn} = -0.76 \, V \), \( E^\circ_{Fe^{3+}/Fe^{2+}} = 0.77 \, V \))

Q4. A cell \( Sn(s) | Sn^{2+}(0.001 \, M) || I_2(s) | I^-(0.02 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Sn^{2+}/Sn} = -0.14 \, V \), \( E^\circ_{I_2/I^-} = 0.54 \, V \))

Q5. What is the standard emf of a cell with the reaction \( Mn(s) + Hg^{2+}(aq) \rightarrow Mn^{2+}(aq) + Hg(l) \)? (Given: \( E^\circ_{Mn^{2+}/Mn} = -1.18 \, V \), \( E^\circ_{Hg^{2+}/Hg} = 0.85 \, V \))

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

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