Question

Statement 1: Oxygen does not possess $d$ - orbitals in their valency shell
Statement 2: The covalency of oxygen is two

• A. Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
• B. Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
• C. Statement 1 is True, Statement 2 is False
• D. Statement 1 is False, Statement 2 is True

Answer 1

Answer: (B)

The elements having vacant $d$-orbitals in their valency shell show variable covalency by increasing the number of unpaired electrons under excited conditions