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Q.
Green vitriol is formed by:
Bihar CECEBihar CECE 2004The d-and f-Block Elements
Solution:
Green vitriol is formed by oxidation of iron pyrite in presence of air and water
$\underset{\text { pyrites }}{2 FeS _{2}}+2 H _{2} O +7 O _{2} \rightarrow \underset{\text { green vitriol }}{2 FeSO _{4}}+2 H _{2} SO _{4}$