Question

The solution of Al2(SO4)3 in water is not clear, because of ............... .

a. Impurity in the salt
b. Decomposition of Al2(SO4)3.
c. White gelatinous ppt of Al(OH)3 is formed.
d.None of these.

Plz answer fast....

Answer 1

Aluminium sulphate when dissolved in water forms aluminium hydroxide and sulphuric acid.Since, aluminium hydroxide is insoluble in water, a clear solution is not obtained. 

Al2(SO4)3 + 6H2O →2Al(OH)3 + 3H2SO4 
Aluminium Aluminium sulphate Hydroxide



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Answer 2

Heyaa☺
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▶Solution Al2(SO4)3 in water is not clear,because of white gelatinous ppt of Al(OH)3 is formed.

▶As hydrolyziz takes place in water, solution of sulphuric acid and precipitation of aluminium forms.

▶So,Option (C) is correct.

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