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Given below are two statements: one is labelled as Assertion (
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Heavy water is used for the study of reaction mechanism.
Reason (R) : The rate of reaction for the cleavage of O-H bonds is slower than that of O–D bond.
Choose the most appropriate answer from the options given below:

A
Both (A) and (R) are true but (R) is not the true explanation of (A)

B
(A) is false but (R) is true

C
(A) is true but (R) is false

D
Both (A) and (R) are true and (R) is the true explanation of (A)

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Views: 5,927 students

Updated on: May 10, 2022

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Exam:

JEE Mains 2021 Aug 26 Shift 2

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Eleanor Discussed
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Heavy water is used for the study of reaction mechanism.
Reason (R) : The rate of reaction for the cleavage of O-H bonds is slower than that of O–D bond.
Choose the most appropriate answer from the options given below:
8 mins ago
Discuss this question LIVE
8 mins ago

Text SolutionText solutionverified iconVerified

Statement-1 : is used as a moderator in nuclear reactor and in exchange reactions for the study of reaction mechanisms
Statement-2 : Bond energy of O–H < Bond energy of O–D.
So rate of reaction of cleavage of O-H bond is faster than that of O-D bond.
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Question Text
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Heavy water is used for the study of reaction mechanism.
Reason (R) : The rate of reaction for the cleavage of O-H bonds is slower than that of O–D bond.
Choose the most appropriate answer from the options given below:
Updated OnMay 10, 2022
TopicHydrogen
SubjectChemistry
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes195
Avg. Video Duration1 min