Multiple choice

White vitriol is

  1. FeSO4, 7H2O

  2. ZnSO4, 7H2O

  3. MgSO4, 7H2O

  4. CuSO4, 7H2O
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

White vitriol is the historical name for zinc sulfate heptahydrate (ZnSO₄·7H₂O). The 'vitriol' name comes from vitriolum (sulfate salts). Different vitriols are distinguished by color - blue vitriol (copper sulfate), green vitriol (iron(II) sulfate), white vitriol (zinc sulfate), and Epsom salt (magnesium sulfate).

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