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Question: Answered & Verified by Expert
Assertion: $\mathrm{N}_2$ is less reactive than $\mathrm{P}_4$.
Reason: Nitrogen has more electron gain enthalpy than phosphorus.
Chemistryp Block Elements (Group 15, 16, 17 & 18)
Options:
  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If the Assertion is incorrect but the Reason is correct.
Solution:
2091 Upvotes Verified Answer
The correct answer is:
If the Assertion is correct but Reason is incorrect.
$\mathrm{N}_2$ is less reactive than $\mathrm{P}_4$ due to high value of bond dissociation energy which is due to presence of triple bond between two $\mathrm{N}$-atoms of $\mathrm{N}_2$ molecule.

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