RE-NEET2026Chemistry-Inorganic Chemistry
RE-NEET 2026 Chemistry Transition Metals Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Generally, 3d transition metals have high melting points. Reason R: Involvement of 3d-electrons in addition to 4s-electrons in the interatomic metallic bonding.
In light of the above statements, choose the most appropriate answer from the options given below:
A
Both A and R are correct and R is NOT the correct explanation of A.
B
A is correct but R is not correct.
C
A is not correct but R is correct.
D
Both A and R are correct and R is the correct explanation of A.
Correct Answer
Option D
Detailed Explanation
The high melting points of 3d transition metals are due to the involvement of both 3d and 4s electrons in metallic bonding.
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