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JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

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Assertion (A): N2O5\mathrm{N}_2 \mathrm{O}_5 is not possible due to

Reason (R): incapability of 'N' to show pentavalency Max. covalency of 'N' can be 4.
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Correct option: D
Both (A) and (R) are false
Option D is correct because N2O5 is a known compound, and nitrogen can exhibit a covalency of more than 4 using d-orbitals, though it is less common.

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