(a) In the formation of magnesium chloride (by a direct combination between magnesium and chloride), name the substance that is oxidized and the substance that is reduced.

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(a) In the formation of magnesium chloride (by a direct combination between magnesium and chloride), name the substance that is oxidized and the substance that is reduced.

Chemical Bonding | Chemistry | Class 10 | ICSE | Selina

(a) In the formation of magnesium chloride (by a direct combination between magnesium and chloride), name the substance that is oxidized and the substance that is reduced.

(b) What are the terms defined below?

(i) A bond formed by a shared pair of electrons, each bonding atom contributes one electron to the pair.

(ii) A bond formed by a shared pair of electrons with both electrons coming from the same atom.

Answers:

(a) Oxidized substance – Magnesium (Mg)

Reduced substance – Chlorine (Cl)

(b)

(i) Covalent bond is a bond formed by a shared pair of electrons, each bonding atom contributes one electron to the pair.

(ii) Co-ordinate bond is a bond formed by a shared pair of electrons with both electrons coming from the same atom.

i

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