Which of the following are diatomic molecules?
(a) cl2
(e) n₂
(b) co
(f) hbr
(c) ccl4
(g) clo2
(d) no2
(h) h2o

A = Cl₂

E = N₂

B = CO

F = HBr

Explanation:

Diatomic molecule:

Diatomic molecules consist of two atoms of same element or different elements. There are two types of diatomic molecules.

1. Homonuclear

2. Heteronucler

Homonuclear

The homonuclear diatomic molecule consist of both atoms from same element. e.g. O₂

Heteronucler

The heteronucler diatomic molecule consist of both atoms from different elemenet. e.g. CO.

In given list there are four diatomic molecules are present.

A = Cl₂

E = N₂

B = CO

F = HBr

The first two are homonuclear diatomic molecule while  CO and HBr are heteronuclear diatomic molecules.

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