Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-fact-Medium-Class 12
What is the reason nitrogen does not form pentahalides despite exhibiting a +5 oxidation state?
A
Nitrogen lacks d orbitals to expand its covalence beyond four.
B
Nitrogen cannot achieve a stable +5 oxidation state.
C
Nitrogen's small size prevents the formation of larger molecules.
D
Nitrogen has a lower electronegativity than phosphorus.
Correct Answer
Option A
Detailed Explanation
Nitrogen does not form pentahalides because it has only s and p orbitals available and lacks d orbitals to expand its covalence beyond four, as stated in the NCERT context.
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