Question

b)Write the valency of Al +++3​

Answer 1

Answer:

valency is +3

Explanation:

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Answer 2

Answer:

Aluminium sulphate = Al 2

(SO4 ) 3

Here valency of aluminium is 3

Another radical = Sulphate (SO

42− )

Valency of (SO 42− )=2

Explanation:

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