Questions
The formula of alum is
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a
FK2SO4.Al2SO43.24H2O
b
K4FeCN6
c
K2SO4.Al2SO43.6H2O
d
Na2CO3.10H2O
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Correct option is A
General formula for alum isM2SO4.R2SO43.24H2OM = monovalent cation (K+, Na+ .… )R = Trivalent cation (Al+3, Fe+3)Hence, K2SO4.Al2SO43.24H2O represent an alum.Similar Questions
Complex salt can be made by the combination of with
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