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Which of the following is isomorphous with magnesium sulphate $(Mg SO_4. 7H_2O)$?

$(a)\;\text{Vitriol of mars} \\ (b)\;\text{Green Vitriol} \\(c)\;\text{Blue Vitriol} \\(d)\;\text {Red Vitriol} $

1 Answer

$MgSO_4 .7H_2O $ ( epsom salt)
$FeSO_4.7H_20$ (green Vitrial)$
these two are isomorphous
Vitriol of mass $=Fe _2 (SO_4)_3$
Blue vitriol =Cobalt (II) Sulphate
Hence b is the correct answer.
answered Mar 28, 2014 by meena.p

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