EXERCISES

Author:Assam Board

Assam Board Chemistry Solutions for EXERCISES

Simple step-by-step solutions to EXERCISES questions of The p-Block Elements from Chemistry Part II Textbook for Class XI. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISES with Hints & Solutions

MEDIUM
11th Assam Board
IMPORTANT

Suggest reasons why the BF bond lengths in BF3 (130 pm) and BF4 (143 pm) differ.

MEDIUM
11th Assam Board
IMPORTANT

If BCl bond has a dipole moment, explain why BCl3 molecule has zero dipole moment.

MEDIUM
11th Assam Board
IMPORTANT

Aluminium trifluoride is insoluble in anhydrous HF but dissolves on addition of NaF. Aluminium trifluoride precipitates out of the resulting solution when gaseous BF3 is bubbled through. Give reasons.

MEDIUM
11th Assam Board
IMPORTANT

Write balanced equations for: H3BO3

EASY
11th Assam Board
IMPORTANT

Write balanced equations for: Al + NaOH 

EASY
11th Assam Board
IMPORTANT

Write balanced equation for: B2H6 + NH3 

MEDIUM
11th Assam Board
IMPORTANT

Elements of group 14

HARD
11th Assam Board
IMPORTANT

If the starting material for the manufacture of silicones is RSiCl3, write the structure of the product formed.