Potash alum is an example of a: Options: A . &nbsp Simple salt B . &nbsp Complex salt C . &nbsp Acid salt D . &nbsp Double salt

Potash alum is an example of a:

Question

Potash alum is an example of a:

Options:

A . Simple salt

B . Complex salt

C . Acid salt

D . Double salt

Answer: Option D
:
D

Potash alum is potassium double sulphate of aluminium, i.e. a double salt as it contains more than one cation. Its formula is $K A l S O_{4}$ . So, the cations present in potash alum are $K^{+}$ and $A l^{+ 3}$ .

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