1.Which one of the following mixed sulphates is not an alum?a.K2SO4⋅Al2(SO4)3⋅24H2O\text{K}_2\text{SO}_4 \cdot \text{Al}_2(\text{SO}_4)_3 \cdot 24\text{H}_2\text{O}K2SO4⋅Al2(SO4)3⋅24H2Ob.K2SO4⋅Cr2(SO4)3⋅24H2O\text{K}_2\text{SO}_4 \cdot \text{Cr}_2(\text{SO}_4)_3 \cdot 24\text{H}_2\text{O}K2SO4⋅Cr2(SO4)3⋅24H2Oc.(NH4)2SO4⋅Fe2(SO4)3⋅24H2O(\text{NH}_4)_2\text{SO}_4 \cdot \text{Fe}_2(\text{SO}_4)_3 \cdot 24\text{H}_2\text{O}(NH4)2SO4⋅Fe2(SO4)3⋅24H2Od.CuSO4⋅Al2(SO4)3⋅24H2O\text{CuSO}_4 \cdot \text{Al}_2(\text{SO}_4)_3 \cdot 24\text{H}_2\text{O}CuSO4⋅Al2(SO4)3⋅24H2OLogin to continueOnly logged in users canattempt or see the solution.
