Which of the following is the correct formula for potash alum (phitkari)? - PURIFICATION AND CHARACTERISATION OF ORGANIC COMP Quiz | GKFix.in

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Question

Which of the following is the correct formula for potash alum (phitkari)?

A. K+(H2O)6 Al3+(H2O)6(SO4^2–)2
B. K2SO4.Al2(SO4)3.24H2O
C. KAl(SO4)2
D. K2SO4·Al2(SO4)3