JEE Main 2026 Chemistry question
Correct statements from the following are: A. Nitrogen in oxidation states from +1 to +4 disproportionates in acid medium. B. Nitrogen has the ability to form dπ−pπ multiple bonds with itself and other elements with small size and high electronegativity. C. N-N single bond is stronger than P-P single bond. D. Nitrogen has highest density in its group due to small size. E. The maximum covalency of nitrogen is four since it has only four valence orbitals for bonding.
Answer: (D)
Solution
A is true (standard disproportionation). B is false (nitrogen lacks valence d-orbitals for dπ-pπ bonding; that's a feature of P, S). C is false (N-N single bond is
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