Aqueous solution of potash alum is:
Aqueous solution of potash alum is:
A. alkaline
B. acidic
C. neutral
D. soapy
4 views
1 Answers
Correct Answer - B
It is acidic because of the hydrolysis of `Al_(2)(SO_(4))_(3)` according to the following reaction.
`Al_(2)(SO_(4))_(3) + 6H_(2)O to 2Al(OH)_(3) + 3H_(2)SO_(4)`
4 views
Answered