Questions
Which of the following general formulae represent alum ?
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By Expert Faculty of Sri Chaitanya
a
M2CO3. M2SO43.12H2O
b
M2SO4. SO43.12H2O
c
M2SO4. SO42.12H2O
d
M2SO4. M'2SO43.24H2O
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Correct option is D
Alum is a hydrated sulphate of monovalent and trivalent metal.Similar Questions
Regarding the structure of Al2Cl6 (g) , false statement is
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