S Block Elements Question 229

Question: Potash alum is a

[CPMT 1986; MNR 1981]

Options:

A) Complex salt

B) Acid salt

C) Double salt

D) Normal salt

Show Answer

Answer:

Correct Answer: C

Solution:

$ K_2SO_4.Al_2{{(SO_4)}_3}.24H_2O $ potash alum it is a double salt.