Negative ions- Sulphate test (Edexcel GCSE Chemistry Combined Science): Flashcards

Barium chloride ($\ce{BaCl2}$) + dilute $HCl$

Dilute hydrochloric acid ($HCl$)

Barium sulphate ($\ce{BaSO4}$)

White

$\ce{SO4^2-}$

$\ce{BaCl2}$

Presence of sulphate ions

Chloride ions

$\ce{BaSO4 + 2Cl-}$