CBSE Class 12 Chemistry 2020 Outside Delhi Set 1 Solved Paper

Question : 18 of 37

Marks: +1, -0

Assertion (A): Transition metals have low melting points.
Reason (R): The involvement of greater number of

(n-1) d

and

n s

electrons in the interatomic metallic bonding.

Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
Assertion (A) is correct, but Reason (R) is wrong statement.
Assertion (A) is wrong, but Reason (R) is correct statement.

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