Question

Give examples of following :-
(i) Three positive radicals with valency 1.
(ii) Three negative radicals with valency 1.
(iii) Three positive radicals with valency 2.
(iv) Three negative radicals with valency 2.
(v) Two positive radicals with variable valency. . (vi) One positive radical with valency 3.

Answer 1

Answer:

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Answer 2

The examples follow as under:

Explanation:

• A radical is an atom, molecule or an ion that has an unpaired electron in valence shell which also makes them highly reactive.

1. Three positive radicals with valency 1 are: H¹⁺,Na¹⁺,K¹⁺.
2. Three negative radicals with valency 1 are as given: Cl⁻¹,Br⁻¹,I⁻¹.
3. Three positive radicals with valency 2 are: Mg²⁺,Zn²⁺,Ca²⁺.
4. Three negative radicals with valency 2 are:O²⁻,SO₄²⁻,CO₃²⁻.
5. Two positive radicals with variable valency are:Cu²⁺(1) in Cu₂O and (2) in CuO  also Iron while forming ferrous oxide exhibits valency of 2 while forming ferric oxide it exhibits valency of 4.
6. One positive radical with valency 3 is: Al⁺³