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Question

Directions : In the following questions, A statement of Assertion (A) is followed by a statement of
Reason (R). Mark the correct choice as.

Assertion (A) : N2 is less reactive than P4.
Reason (R) : Nitrogen has more electron gain enthalpy than phosphorus.

A
Both A and R are true and R is the correct explanation of A
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B
Both A and R are true but R is NOT the correct explanation of A
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C
A is true but R is false
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D
A is false and R is True
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Solution

The correct option is C A is true but R is false
Due to high bond dissociation energy of tripe bond between the two N atoms, nitrogen (N) is less reactive than P4 and its electron gain enthalpy is less than phosphorus.

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