Assertion (A): In group 15 elements, nitrogen | vedclass

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(B) Nitrogen cannot form pentahalides because it lacks vacant $d$-orbitals in its valence shell to expand its octet. Thus, Assertion $(A)$ is true.Nit

Vedclass · Accepted Answer

$(A)$ and $(R)$ are true, but $(R)$ is not the correct explanation of $(A)$

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(B) Nitrogen cannot form pentahalides because it lacks vacant $d$-orbitals in its valence shell to expand its octet. Thus, Assertion $(A)$ is true.Nitrogen can exhibit a $+5$ oxidation state, for example, in $N_2O_5$ or $HNO_3$. Thus, Reason $(R)$ is true.However, the inability to form pentahalides is due to the absence of $d$-orbitals, not because it cannot exhibit a $+5$ oxidation state. Therefore, $(R)$ is not the correct explanation of $(A)$.

Assertion $(A)$: In group $15$ elements, nitrogen does not form pentahalides.
Reason $(R)$: Nitrogen can exhibit $+5$ oxidation state.
The correct option among the following is:

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Assertion $(A)$: In group $15$ elements, nitrogen does not form pentahalides.Reason $(R)$: Nitrogen can exhibit $+5$ oxidation state.The correct option among the following is: