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Chemistry
The formula of potash alum is:
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Q. The formula of potash alum is:
Rajasthan PMT
Rajasthan PMT 1996
A
$ {{K}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O $
B
$ {{K}_{3}}[CO{{(N{{O}_{2}})}_{6}}] $
C
$ {{K}_{2}}S{{O}_{4}}.C{{r}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O $
D
$ KH{{F}_{2}} $
Solution:
The formula of Potash alum is $ {{K}_{2}}S{{O}_{4}}.\,\,A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O $