When few drops of barium nitrate solution is ...

ICSE Class 10 Chemistry 2023 Paper

Study the following observations and name the anions present in each of the reactions.

Question : 60 of 88

Marks: +1, -0

When few drops of barium nitrate solution is added to the salt solution '

Q

', a white precipitate is formed which is insoluble in

\mathrm{HCl}

Solution:

Q

' is sodium sulphate, when barium nitrate solution is added to it, a white precipitate of barium sulphate is formed, which is insoluble in

\mathrm{HCl}

\mathrm{Na}_2\mathrm{SO}_4 + \mathrm{Ba}(\mathrm{NO}_3)_2 \rightarrow \mathrm{BaSO}\underset{\text{White ppt}}{_4}\!\downarrow

+2 \mathrm{NaNO}_3

Anion is

\mathrm{SO}_4^{2-}

(Sulphate)

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