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NEET Exam  >  NEET Test  >  Chemistry CUET UG Mock Test Series 2026  >  Assertion & Reason Test: Electrochemistry - NEET MCQ

Chemistry CUET UG Assertion & Reason Test: Electrochemistry Free Online


MCQ Practice Test & Solutions: Assertion & Reason Test: Electrochemistry (12 Questions)

You can prepare effectively for NEET Chemistry CUET UG Mock Test Series 2026 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Assertion & Reason Test: Electrochemistry". These 12 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 24 minutes
  • - Number of Questions: 12

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Assertion & Reason Test: Electrochemistry - Question 1
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Conductivity of an electrolyte increases with decrease in concentration.

Reason (R): Number of ions per unit volume decreases on dilution.

Detailed Solution: Question 1

Conductivity of an electrolyte decreases with decrease in concentration because of ions per unit volume decreases on dilution.

Assertion & Reason Test: Electrochemistry - Question 2
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Λm for weak electrolytes shows a sharp increase when the electrolytic solution is diluted.

Reason (R): For weak electrolytes degree of dissociation increases with dilution of solution.

Detailed Solution: Question 2

Weak electrolytes dissociate partially in concentrated solution. On dilution, their degree of dissociation increases hence, their Λm increases sharply.

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Assertion & Reason Test: Electrochemistry - Question 3
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Electrolytic conduction increases with increase in temperature.

Reason (R): Increase in temperature cause the electronic movement more rapid

Detailed Solution: Question 3

As the temperature of electrolytic solution is increased, the kinetic energy of the ion increases. This results in the increase of electrical conductance of electrolytic solutions.

Assertion & Reason Test: Electrochemistry - Question 4
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Molar Conductivity of an ionic solution depends on temperature.

Reason (R): Molar Conductivity of an ionic solution depends on the concentration of electrolytes in the solution.

Detailed Solution: Question 4

Molar Conductivity of an ionic solution depends on the temperature as well as on the concentration of the electrolytes in the solution.

Assertion & Reason Test: Electrochemistry - Question 5
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Ecell should have a positive value for the cell to function.

Reason (R): Ecathode < Eanode.

Detailed Solution: Question 5

Ecell = Ecathode – Eanode.

To have a positive value of Ecell, Ecathode should be greater than Eanode.

Assertion & Reason Test: Electrochemistry - Question 6
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Cu is less reactive than hydrogen.

Reason (R): Eo Cu2+ / Cu is negative.

Detailed Solution: Question 6

Cu is less reactive than hydrogen because EΘCu2+/Cu is positive.

Assertion & Reason Test: Electrochemistry - Question 7
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Copper sulphate can be stored in a zinc vessel.

Reason (R): Zinc is more reactive than copper.

Detailed Solution: Question 7

Zinc will get dissolved in CuSO4 solution, since zinc is more reactive than copper.

Assertion & Reason Test: Electrochemistry - Question 8
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): EAg+/Ag increases with increase in concentration of Ag+ ions.

Reason (R): EAg+/Ag has a positive value.

Detailed Solution: Question 8

On increasing [Ag+], EAg+/ Ag will increase and it has a positive value.

Assertion & Reason Test: Electrochemistry - Question 9
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Electrolysis of NaCl solution gives chlorine at anode instead of O2.

Reason (R): Formation of oxygen at anode requires over voltage.

Detailed Solution: Question 9

Formation of oxygen has lower value of E° than formation of chlorine even then it is not formed because it requires over voltage.

Assertion & Reason Test: Electrochemistry - Question 10
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Directions: These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses.

Assertion: The resistivity for a substance is its resistance when it is one meter long and its area of cross section is one square meter.

Reason: The SI units of resistivity is ohm metre (m).

Detailed Solution: Question 10

We know, R ∝ 1/A or R = ρ(1/A), where proportionality constant ρ is called resistivity. If l = 1m and A = 1m2 , then R = ρ i.e.,resistance = Resistivity.

Assertion & Reason Test: Electrochemistry - Question 11
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Directions: These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses.

Assertion : On increasing dilution, the specific conductance keeps on increasing.

Reason : On increasing dilution, degree of ionisation of weak electrolyte increases and molality of ions also increases.

Detailed Solution: Question 11

The specific conductivity decreases while equivalent and molar conductivities increase with dilution.

Assertion & Reason Test: Electrochemistry - Question 12
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Directions: These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses.

Assertion : Galvanised iron does not rust.

Reason : Zinc has a more negative electrode potential than iron.

Detailed Solution: Question 12

Zinc metal which has a more negative electrode potential than iron will provide electrons in preference of the iron, and therefore corrodes first. Only when all the zinc has been oxidised, the iron starts to rust.

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About this NEET Practice Test

This test contains 12 MCQs on Assertion & Reason Test: Electrochemistry with detailed solutions for each question. It is part of the Chemistry CUET UG Mock Test Series 2026 course on EduRev, designed to align with the current NEET syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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