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Nitric Acid

When barium c...

Question

When barium chloride solution is added to salt solution E, a white precipitate insoluble in dilute hydrochloric acid is obtained. Identify the anion present in the compound.

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Solution

Here the salt solution E is $N a_{2} S O_{4}$ . When $B a C l_{2}$ solution is added to $N a_{2} S O_{4}$ , white precipitates of $B a S O_{4}$ are formed.
This white precipitate formed are insoluble in dil. HCl. This test is used for the identification of sulphate ( $S O_{4}^{2 -}$ ) radical.

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