Covalency of oxygen cannot exceed 2 unlike sulphur which can show +4 or +6 becauseA. oxygen atom does not have d-orbitalsB. oxygen atom has two unpaired electrons in its valence shellC. oxygen can form a double bond with another oxygen atomD. electrons of oxygen atom cannot be promoted to d-orbitals due to its small size.

Covalency of oxygen cannot exceed 2 unlike sulphur which can show +4 o

1.	Covalency of oxygen cannot exceed 2 unlike sulphur which can show +4 or +6 becauseA. oxygen atom does not have d-orbitalsB. oxygen atom has two unpaired electrons in its valence shellC. oxygen can form a double bond with another oxygen atomD. electrons of oxygen atom cannot be promoted to d-orbitals due to its small size.
Answer» Correct Answer - A

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