Question

State what are radicals. Give the names of the radicals –

(a) NO₃
(b) OH
(c) SO₄
(d) CO₃

Answer 1

A radical is an atom or group of an atom of the same or different elements that behave in the manner of positive or negative ions.

(a) NO₃ – nitrate
(b) OH – hydroxide
(c) SO₄ – sulphate
(d) CO₃ – carbonate