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Class 12 Chemistry: Electrochemistry — Chapter Test 1

Class 12 • Chemistry • Electrochemistry • Chapter Test

MediumFREE

15

Questions

20 min

Duration

15

Marks (1 each)

No

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

  • • Read each question carefully and pick the correct answer.
  • • You can mark questions for review and come back to them.
  • • Answers are saved automatically.
  • • The test is submitted automatically when time runs out.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15
In an electrochemical cell, oxidation takes place at the:
A
cathode
B
anode
C
salt bridge
D
electrolyte
View Correct Answer & Step-by-Step Solution
Correct Option:(B)anode

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
The standard hydrogen electrode has an electrode potential of:
A
1 V
B
0 V
C
−1 V
D
0.059 V
View Correct Answer & Step-by-Step Solution
Correct Option:(B)0 V

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
The relation between Gibbs energy and cell emf is:
A
ΔG=nFE\Delta G = nFE
B
ΔG=−nFE\Delta G = -nFE
C
ΔG=−nFE\Delta G = -\frac{nF}{E}
D
ΔG=EnF\Delta G = \frac{E}{nF}
View Correct Answer & Step-by-Step Solution
Correct Option:(B)ΔG=−nFE\Delta G = -nFE

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
The Nernst equation at 298 K for Mn++ne−→MM^{n+} + ne^- \to M is:
A
E=E∘+0.059nlog⁡[Mn+]E = E^\circ + \frac{0.059}{n}\log[M^{n+}]
B
E=E∘−0.059nlog⁡[Mn+]E = E^\circ - 0.059n\log[M^{n+}]
C
E=E∘+0.059nE = E^\circ + 0.059n
D
E=E∘E = E^\circ
View Correct Answer & Step-by-Step Solution
Correct Option:(A)E=E∘+0.059nlog⁡[Mn+]E = E^\circ + \frac{0.059}{n}\log[M^{n+}]

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
The function of a salt bridge is to:
A
increase the voltage
B
maintain electrical neutrality and complete the circuit
C
act as a catalyst
D
provide electrons
View Correct Answer & Step-by-Step Solution
Correct Option:(B)maintain electrical neutrality and complete the circuit

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in Class 12 Chemistry: Electrochemistry — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Electrochemistry" of Class 12 Chemistry. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.