Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-conceptual-Hard-Class 12
Which of the following statements about the p-block elements is correct?
A
Nitrogen does not form pentahalides due to lack of d orbitals for expanded covalence.
B
PH3 has a higher boiling point than NH3 due to stronger hydrogen bonding.
C
BiH3 is a weaker reducing agent than NH3 because of its higher electronegativity.
D
Phosphorus exists as P4 while nitrogen exists as N2 due to nitrogen's ability to catenate.
Correct Answer
Option A
Detailed Explanation
Nitrogen does not form pentahalides because it lacks d orbitals to allow for expanded covalence beyond four, as stated in the NCERT context.
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