Statement-I: Elemental nitrogen exists as a diatomic molecule and phosphorous as tetratomic molecule.
Statement-2: Nitrogen does not have vacant d-orbital whereas phosphorous have vacant d-orbital.

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Statement-I is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-I.

Statement-I is True, Statement-2 is True, Statement-2 Is NOT a correct explanation for Statement-I.

Statement-i is True, Statement-2 is False

Statement-I is False, Statement-2 is True.

answer is B.

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Detailed Solution

Due of its tiny size and strong electronegativity, nitrogen forms many bonds. As a result, it is a diatomic molecule with three bonds between the two N atoms. Phosphorus often does not form numerous bonds with itself due to its bigger size and weaker electronegativity. It occurs as tetrahedral P4 molecules because it likes to create PP single bonds.

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