1.

Assertion : N_(2) is less reactive than P_(4) Reason : Nitrogen has more electron gain enthalpy than phosphorus.

Answer»

Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.
Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
Assertion is correct, but reason is wrong statement.
Both assertion and reason are wrong statement.

Solution :Correct reason. P-P single BOND in `P_(4)` molecules is much WEAKER (213 kJ `mol^(-1)`) than N = N triple bond (341.4 kJ `mol^(-1)`) in `N_(2)`.


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