Question

MEASUREMENT OF MATTER

give examples
positive radicals
basic radicals
composite radicals
metals with variable valency
bivalent acidic radicals
trivalent basic radicals

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Answer 1

Answer:

Positive Radicals- Hydrogen,Sodium

Basic Radicals-For example the decomposition of HCl form H+ and chloride ion. ... Here cation is known as basic radical. Some common examples of basic radicals are Na+, Ba2+, Fe3+ etc.

Composite Radicals-Acetylimino, Cyclohexane carbonyl etc.

Metal with Variable Valency-IRON

COPPER

MERCURY

SILVER

TIN

Bivalent Acidic Radicals-The ion formed after removal of Hydrogen ion from an acid is called as Acidic Radical.

For example:

when HCl loses H⁺ ion from acid . we get Cl⁻ which is an acidic radical -- which is monovalent.

Bivalent means the acid should lose 2 H+ ions.

example:

H2SO4 :

From H2SO4 loses 2 H⁺ ions, so we get, SO₄⁻²

Carbonic acid.

H2CO3

• H2CO3 loses 2H⁺ ions we get CO₃⁻²

Trivalent Basic Radicals-Some example are as Examples of Trivalent basic radicals are: HCI ( acid), CI- (acid radical),HNO3 (acid), NO2 ( ACID

hope it helps.............