set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

Which is not a Lewis acid?

a) $BF_3$

b) $NH_3$

c) $AlCl_3$

d) $FeCl_3$

Question : 2

Match Column-I with Column-II:

a) A – Q; B – R; C – S; D – P

b) A – Q; B – R; C – P; D – S

c) A–R; B–Q; C–P; D–S

d) A – R; B – Q; C – S; D – P

Question : 3

Arrange the following bases in increasing order of their, basic strength

1. Sodium hydroxide
2. Magnesium hydroxide.
3. Aluminium hydroxide
4. Ammonium hydroxide

a) 4 3 2 1

b) 4 2 1 3

c) 4 1 2 3

d) 1 2 3 4

Question : 4

The hypo solution used in photography is an aqueous solution of

a) Sodium tetrathionate

b) Sodium sulphate

c) Sodium thiosulphate

d) Ammonium per sulphate

Question : 5

Why bases are kept in glass bottles?

a) Bases are corrosive in nature

b) Bases produce OH– ions in aqueous solutions

c) Basic solutions are conducting in nature

d) Bases have soapy texture

Question : 6

Which chemical compound is present in Bleaching Powder?

a) Calcium Oxychloride

b) Calcium Carbonate

c) Calcium Hydroxide

d) Ammonium Chloride