p-Block elementsHard

Question

Aqueous solution of potash alum is:

Options

A.alkaline
B.acidic
C.neutral
D.soapy

Solution

It is acidic because of the hydrolysis of Al2(SO4)3 according to the following reaction.
Al2 (SO4)3 + 6H2O → 2Al(OH)3 + 3H2SO4.

Create a free account to view solution

View Solution Free
Topic: p-Block elements·Practice all p-Block elements questions

More p-Block elements Questions

Ammonia, on reaction with hypochlorite anion, can form :...B(OH)3 + NaOH NaBO2 + Na[B(OH)4] + H2OHow can this reaction is made to proceed in forward direction?...When chlorine gas is passed through an aqueous solution of a potassium halide in the presence of chloroform, a voilet co...Al2(SO4)3 + NH4OH → X, then...he following acids have been arranged in the order of decreasing acid strength. Identify the correct order ClOH (I), BrO...