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

BOARD

(a) Complete the following chemical reaction equations :

(i) ${P}_{4}+S{O}_{2}C{l}_{2}\to$

(ii) $Xe{F}_{6}+{H}_{2}O\to$

(b) Predict the shape and the asked angle ($90°$ or more or less) in each of the following cases:

(i) $S{O}_{3}^{2-}$ and the angle O-S-O

(ii) $CI{F}_{3}$ and the angle F-Cl-F

(iii) $Xe{F}_{2}$ and the angle F-Xe-F

(a) (i) ${P}_{4}+10S{O}_{2}C{l}_{2}\to 4PC{l}_{5}+10S{O}_{2}$

or ${P}_{4}+8S{O}_{2}C{l}_{2}\to 4PC{l}_{3}+4S{O}_{2}+2{S}_{2}C{l}_{2}$

(ii) $Xe{F}_{6}+{H}_{2}O\to XeO{F}_{4}+2HF$

or $Xe{F}_{6}+2{H}_{2}O\to Xe{O}_{2}{F}_{2}+4HF$

or $Xe{F}_{6}+3{H}_{2}O\to Xe{O}_{3}+6HF$

(b) (i) $S{O}_{3}^{2-}$ :

Shape : Pyramidal

Angle : The angle O-S-O is greater than $90°$

(ii) $CI{F}_{3}$ :

Shape : Bent T-shaped

Angle : The angle F-Cl-F is lesser than $90°$

(iii) $Xe{F}_{2}$ : Structure :

Angle :

Difficulty Level:

Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)