Question

plavsical
of the
its and
DIRECTIONS: This section contains 10 multiple choice
questions. Each question has 4 choices (a), (b), (c) and (d) oul of
which ONE OR MORE may be correct.
1. Which of the following is/are bivalent radicals?
(a) Sulphate
(6) Bisulphate
(0) Sulphite
(d) Sulphide
A Tin halide is generally represented as
(a) SACI
(b) Snc
(0) Suci
(D) SOCHA
The oxide of iron can be represented as
(a) FeO2
(b) Teg04
(c) Peo
(d) Fe,og
4.
Which of the following are triatomic?
(a) 1,0
(b) CO2
(c) co?
(d) Naci
y
ent of​

Answer 1

Answer:

(A) Hydrogen phosphate:- HPO

4

−2

It is bivalent as it can form 2 bonds with other univalent atom or bivalent atom.

Example:- (Refer to Image 1)

(B) Sulphate (SO

4

−2

)

Sulphate is bivalent as it can form the bond with two univalent atom like Hydrogen or one bivalent atom like Calcium