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

(a) Draw the molecular structure of following compounds :

(i) $Xe{F}_{6}$                                            (ii) ${H}_{2}{S}_{2}{O}_{8}$

(b) Explain the following observations :

(i) The molecules $N{H}_{3}$ and $N{F}_{3}$ have dipole moments which are of opposite direction.

(ii) All the bonds in $PC{l}_{5}$ molecule are not equivalent.

(iii) Sulphur in vapour state exhibits paramagnetism.

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#6 | 16th Group

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group 16,preparation and properties