Select the incorrect statement regarding trih | vedclass

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Question

(A) According to Fajan's rule,the covalent character increases with the increase in the oxidation state of the central atom. Therefore,pentahalides $(

Vedclass · Accepted Answer

$EX_3$ is more covalent than $EX_5$

Vedclass · Answer

(A) According to Fajan's rule,the covalent character increases with the increase in the oxidation state of the central atom. Therefore,pentahalides $(EX_5)$ are more covalent than trihalides $(EX_3)$. Statement $A$ is incorrect because $EX_5$ is more covalent than $EX_3$. Nitrogen does not form pentahalides due to the absence of $d$-orbitals. Most trihalides are covalent,except $BiF_3$,which is ionic. Among nitrogen trihalides,only $NF_3$ is stable.

Select the incorrect statement regarding trihalides $(EX_3)$ and pentahalides $(EX_5)$ of the nitrogen family.

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