Well the valency is 2, not 2. Valency is the combining power with a hydrogen atom, that is, the number of hydrogen atoms an atom can combine with. The oxidatio ...

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Standard IX

Chemistry

Naming of Ionic Compounds

Valency of su...

Question

Valency of sulphide

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Solution

Valency is the measure of an element’s power to combine with other atoms during chemical compound or molecule formation.
For radicals, the valency is equal to the magnitude of the charge they carry.
Sulphides are radicals. They are denoted as $S^{2 -}$ .

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Similar questions

Q. The valency of sulphide and oxide ions is:

Q. The chemical formula of sulphide of an element ‘X’ having valency 3 is

Q. (a) What is the difference between a cation and an anion ? Explain with examples.
(b) The valencies (or charges) of some of the ions are given below :

Ion	Valency (Charge)	Ion	Valency (Charge)
Sodium ion	1+	Nitrate ion	1–
Copper ion	2+	Sulphide ion	2–

Using this information, write down the formulae of :
(i) Sodium sulphide
(ii) Copper nitrate

Q. The number of valence electrons in a sulphide ion, S^2–, is :

(a) 16

(b) 10

(d) 8

Q. Assertion :In the coagulation of negatively charged arsenic sulphide sol, the coagulating power decreases in the order

A l^{3 +} > B a^{2 +} > N a^{+}

. Reason: Generally, greater the valency of coagulating ion, the greater is its power of coagulation.

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Valency of sulphide

Valency is the measure of an element’s power to combine with other atoms during chemical compound or molecule formation.For radicals, the valency is equal to the magnitude of the charge they carry.Sulphides are radicals. They are denoted as S2−.

Valency is the measure of an element’s power to combine with other atoms during chemical compound or molecule formation.
For radicals, the valency is equal to the magnitude of the charge they carry.
Sulphides are radicals. They are denoted as $S^{2 -}$ .