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Standard IX

Chemistry

Ionic Compounds: Chemical Formula

The valency o...

Question

The valency of an element A is 3 and that of element B is 2. Write the formula of the compound formed by the combination of A and B.

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Solution

The cation is $A^{3 +}$ and anion is $B^{2 -}$
so the compund is:
$2 A^{3 +} + 3 B^{2 -}$ ------> $A_{2} B_{3}$ .

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Ionic Compounds: Chemical Formula

Standard IX Chemistry

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The valency of an element A is 3 and that of element B is 2. Write the formula of the compound formed by the combination of A and B.

The cation is A3+ and anion is B2− so the compund is: 2A3++3B2− ------> A2B3 .

The cation is $A^{3 +}$ and anion is $B^{2 -}$
so the compund is:
$2 A^{3 +} + 3 B^{2 -}$ ------> $A_{2} B_{3}$ .