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What are form...

Question

What are formed when $K^{+}$ , $A l^{3 +}$ and $S O_{4}^{2 -}$ react with water?

A

Potash alum

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B

gypsum

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C

epsom salt

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D

none of these

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Solution

The correct option is A Potash alum
Potash alum is formed when the ions in the question mentioned react with water. The equation can be given as-
$K^{+}$ , $A l^{3 +}$ $+$ $2 S O_{4}^{2 -}$ $+$ $12 H_{2} O$ $=$ $K A l (S O_{4})_{2}$ $.12 H_{2} O$

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