D-And F-Block Elements Ques 299

Question: The hardness of $ Cr $ is due to …… and metallic lusture is due to …….

Options:

A) Covalent bond, metallic bond

B) Covalent bond, hydrogen bond

C) Metallic bond, covalent bond

D) Metallic bond, hydrogen bond

Show Answer

Answer:

Correct Answer: A

Solution:

Covalent bond is constituted by electrons of d-orbitals and lusture is due to free electrons of s-orbital in metallic bond.



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