NEET Chemistry: Electrochemistry — Free Practice Set 15 (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 Reaction, Electrons, Involved, Reduction, Hydrogen, and Electrode.

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. In a fuel cell with H\(_2\) and O\(_2\), what is the cathode reaction?

A. \( 2H_2 + 4OH^- \rightarrow 4H_2O + 4e^- \)
B. \( 2H_2O \rightarrow O_2 + 4H^+ + 4e^- \)
C. \( H_2 + 2OH^- \rightarrow 2H_2O + 2e^- \)
D. \( O_2 + 2H_2O + 4e^- \rightarrow 4OH^- \)

Q2. How many electrons are involved in the reduction of 1 mole of \( ClO_4^- \) to \( Cl^- \) in acidic medium?

A. 6
B. 8
C. 4
D. 2

Q3. A hydrogen electrode operates at 298 K with \( P_{H_2} = 1.5 \, atm \) and \( [H^+] = 0.0001 \, M \). What is its potential? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

A. 0.00 V
B. -0.177 V
C. -0.118 V
D. -0.2412 V

Q4. The standard emf of a cell is 0.96 V, and its equilibrium constant at 298 K is \( 10^{32} \). How many electrons are transferred in the cell reaction?

A. 2
B. 3
C. 1
D. 4

Q5. What is the emf of the cell \( Cr(s) | Cr^{3+}(0.001 \, M) || Cu^{2+}(0.01 \, M) | Cu(s) \) at 298 K? (Given: \( E^\circ_{Cr^{3+}/Cr} = -0.74 \, V \), \( E^\circ_{Cu^{2+}/Cu} = 0.34 \, V \))

A. 1.08 V
B. 1.10 V
C. 1.06033 V
D. 1.02 V

+ 5 more questions in the actual test

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Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

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NEET Chemistry — Electrochemistry

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Preview of Questions in this Test

Q1. In a fuel cell with H\(_2\) and O\(_2\), what is the cathode reaction?

Q2. How many electrons are involved in the reduction of 1 mole of \( ClO_4^- \) to \( Cl^- \) in acidic medium?

Q3. A hydrogen electrode operates at 298 K with \( P_{H_2} = 1.5 \, atm \) and \( [H^+] = 0.0001 \, M \). What is its potential? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

Q4. The standard emf of a cell is 0.96 V, and its equilibrium constant at 298 K is \( 10^{32} \). How many electrons are transferred in the cell reaction?

Q5. What is the emf of the cell \( Cr(s) | Cr^{3+}(0.001 \, M) || Cu^{2+}(0.01 \, M) | Cu(s) \) at 298 K? (Given: \( E^\circ_{Cr^{3+}/Cr} = -0.74 \, V \), \( E^\circ_{Cu^{2+}/Cu} = 0.34 \, V \))

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NEET Chemistry: Electrochemistry — MCQ Test 15

Q6. The molar conductivity of RbCl at infinite dilution is 152.7 S cm\(^2\) mol\(^{-1}\). If \( \lambda^\circ_{Rb^+} = 77.8 \, S \, cm^2 \, mol^{-1} \), what is \( \lambda^\circ_{Cl^-} \)?

Q7. The degree of dissociation of a weak acid is 0.02, and its molar conductivity at infinite dilution is 400 S cm\(^2\) mol\(^{-1}\). What is its molar conductivity at that concentration?

Q8. The dissociation constant of acetic acid is 1.78 × 10\(^{-5}\) mol L\(^{-1}\) at 0.001 M concentration with molar conductivity 48.15 S cm\(^2\) mol\(^{-1}\). What is its \( \Lambda_m^\circ \)?

Q9. A weak acid has \( \Lambda_m^\circ = 380 \, S \, cm^2 \, mol^{-1} \) and \( \Lambda_m = 19 \, S \, cm^2 \, mol^{-1} \) at 0.02 M. What is the dissociation constant \( K_a \)?

Q10. A cell has \( E^\circ_{cell} = 1.10 \, V \) and \( \Delta_r G^\circ = -424600 \, J/mol \) at 298 K. What is the number of electrons transferred? (F = 96500 C/mol)

NEET Chemistry — Electrochemistry

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Question Bank

Practice Tests

NEET PYQs

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. In a fuel cell with H\(_2\) and O\(_2\), what is the cathode reaction?

Q2. How many electrons are involved in the reduction of 1 mole of \( ClO_4^- \) to \( Cl^- \) in acidic medium?

Q3. A hydrogen electrode operates at 298 K with \( P_{H_2} = 1.5 \, atm \) and \( [H^+] = 0.0001 \, M \). What is its potential? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

Q4. The standard emf of a cell is 0.96 V, and its equilibrium constant at 298 K is \( 10^{32} \). How many electrons are transferred in the cell reaction?

Q5. What is the emf of the cell \( Cr(s) | Cr^{3+}(0.001 \, M) || Cu^{2+}(0.01 \, M) | Cu(s) \) at 298 K? (Given: \( E^\circ_{Cr^{3+}/Cr} = -0.74 \, V \), \( E^\circ_{Cu^{2+}/Cu} = 0.34 \, V \))

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

More Chemistry Chapters for NEET

Explore More NEET Subjects

Everything you need to crack NEET