Question

identify the positively charged composite radical. *

a) Sulphate
b) Carbonate
c) Nitrate
d) Ammonium

Answer 1

Answer:

nitrate is the positively charged composite radical

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Answer 2

Positively charged composite radical is nitrate. When an electron is lost, the atoms acquire a positive charge and are called positive radicals or positive ions.

Explanation:

• Basic radicals are formed by removal of electrons from the atoms of metals.
• When a radical is a group of atoms carrying a charge, it is called composite radical.
• Nitrate radical is an oxide of nitrogen with formula $NO_{3}$, consisting of three oxygen atoms covalently bound to a nitrogen atom.
• This highly unstable blue compound has not been isolated in pure form, but can be generated and observed as a short-lived component of gas, liquid, or solid systems.

• The $NO_{3}$ radical does not react directly with water, and is relatively unreactive towards closed-shell molecules, as opposed to isolated atoms and other radicals.
• It is decomposed by light of certain wavelengths into nitric oxide $NO$ and oxygen $O_{2}$.