Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In case of nitrogen, formation of 
is possible but not 
while in case of phosphorus,
both 
and 
are possible. It is due to
A
Availability of vacant 
-orbital in P'but not in N
-orbital in P'but not in N B
Lower electronegativity of P than N
C
Lower tendency of H bond formation in P than N
D
Occurrence of P in solid while N in gaseous state at room temperature
Text Solution
Verified by ExpertsThe correct answer is:
A
Due to unavailability of 
-orbitals, nitrogen cannot expand its covalency to 5 but phosphorus has availability of 
-orbitals.
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