# NEET Chemistry The p-Block Elements (XII) Questions Solved

How would you account for the following:

(i) $NC{l}_{3}$ is an endothermic compound while $N{F}_{3}$ is an exothermic one.

(ii) $Xe{F}_{2}$ is a linear molecule without a bend.

(iii) The electron gain enthalpy with negative sign for fluorine is less than that for chlorine, still fluorine is a stronger oxidising agent than chlorine.

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#8 | 18th Group

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group 18,perparation and properties