P-Block Elements Ques 523
Question: Which statement is not true about potash alum?
Options:
A) On heating it melts and loses its water of crystallization.
B) It’s aqueous solution is basic in nature.
C) It is used in dyeing industries.
D) It’s empirical formula is $ KAl{{( SO_4 )}_2}.12H_2O. $
Show Answer
Answer:
Correct Answer: B
Solution:
Alum form acidic solution due to hydrolysis of $ A{{l}^{3+}} $ .
