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

(a) Account for the following :                                                 (5 marks)

(i) Acidic character increases from $\mathrm{HF}$ to $\mathrm{HI}$.

(ii) There is large difference between the melting and boiling points of oxygen and sulphur.

(iii) Nitrogen does not form pentahalide.

(b) Draw the structures of the following :

(i) ${\mathrm{ClF}}_{3}$

(ii) ${\mathrm{XeF}}_{4}$

Concept Videos :-

#7 | 17th Group

Concept Questions :-

group 17 ,preparation and properties