Chemistry · PYQ NEET UG 2026
हिन्दीAssertion 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:
Correct answer · Option 1
Both A and R are correct and R is the correct explanation of A.
Explanation
Due to the involvement of both (n-1)d and ns electrons in metallic bonding, transition metals have strong interatomic bonding leading to high melting points.