Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a?
nitrate
carbonate
chloride
sulphide
Explanation
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Discussions (5)
Note: option B and D is very correct
There are two correct options there
Both carbonate and sulphide produce white precipitate when reacted with aqueous solution of barium chloride. This is because both barium carbonate and barium sulphide (which are product of the reaction) are insoluble in water.
The correct answer is:
✅ b. Chloride
Explanation:
When an aqueous solution of a salt gives a white precipitate (typically on addition of silver nitrate solution), it indicates the presence of chloride ions (Cl⁻), which form silver chloride (AgCl) — a white precipitate.
Why not the others?
Nitrate – all nitrates are soluble (no precipitate)
Carbonate – usually gives a white precipitate with calcium or barium salts, not the standard test here
Sulphide – usually gives black or colored precipitates
Final answer: b. Chloride
the aqueous solution is what we were asked to find. all of them except nitrates form a precipitate.
chloride forms white ppt with AgNO3
Carbonates for white ppt with Black
Sulfides for white ppt also with BaCl
