Question

Give examples.

a. Positive radicals

b. Basic radicals

c. Composite radicals

d. Metals with variable valency

e. Bivalent acidic radicals

f. Trivalent basic radicals

Answer 1

Given examples of the following are as follows :

a. Positive Radicals : Na⁺, Fe²⁺,Ag⁺ Al³⁺,Cr³⁺,Fe³⁺,Au³⁺,Co²⁺,Ni²⁺,Hg²⁺,Sn²⁺.

b. Basic Radical : Na⁺, Fe²⁺,Ag⁺, Al³⁺,Cr³⁺,Fe³⁺,Au³⁺,Co²⁺,Ni²⁺,Hg²⁺,Sn^2+.

c. Composite Radical : SO₄ ^2- ,NH₄⁺ ,HCO₃^- , HSO₄^- , NO₄^-.

d. Metal With Variable Valency : Cu(1+,2+), Hg(1+,2+) ,Fe(2+,3+).

e. Bivalent Acidic Radical : S^2- ,O^2- ,Se^2- .

f. Trivalent Basic Radical : Al³⁺ ,Cr³⁺,Fe³⁺,Au³⁺.