Question

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

Answer 1

Answer:

The cation is A3+ nd anion is B2-

so the compund is

2A3+ + 3B2- ------> A2B3.

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Explanation:

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Answer 2

Answer:

The cation is A3+ nd anion is B2-

So, by the cris-cross methord ( valency 3 will go to A and 2 will go to B)

The answer is:-

A^3b^2

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