Question

Difference between valency and oxidation state explain simple points

Answer 1

Answer:

The main difference between valency and oxidation state is that valency is the number of electrons present in the outermost shell of an atom of a particular element whereas oxidation state is the number of electrons that an element in a particular compound has lost or gained.

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Answer 2

Answer:

(i) Valency of the elements is usually equal to number of valency electrons (outer electrons) or equal to difference between 8 and number of valence electrons.

(ii) oxidation number or oxidation state of an element in a particular compound is the apparent charge acquired by its atom on the basis of electronegativity of other atoms in a molecule of a compound. It can be positive or negative (+,-) or zero.