When sulphur is boiled with Na ₂ SO ₃ , a compound (A) is produced. (A) on reaction with excess AgNO ₃ solution gives a compound (B) , which after dissolving in water produces a black coloured sulphide (C) . Identify the compound (A),(B) an

Question

When sulphur is boiled with Na ₂ SO ₃ , a compound (A) is produced. (A) on reaction with excess AgNO ₃ solution gives a compound (B) , which after dissolving in water produces a black coloured sulphide (C) . Identify the compound (A),(B) and (C) .

Quantrex Academy · Accepted Answer

Correct answer: A. Na ₂ ~S ₂ O ₃, Ag ₂ ~S ₂ O ₃, Ag ₂ ~S

When sulphur ( S ) is heated with Na ₂ SO ₃ , a compound Na ₂ ~S ₂ O ₃(A) is produced. When Na ₂ ~S ₂ O ₃ react with excess of AgNO ₃ solution, it will give a Ag ₂ ~S ₂ O ₃(B) which is a water soluble compound. Further Ag ₂ ~S ₂ O ₃ dissolves in water, to produce a black coloured sulphide Ag ₂ ~S (C) . Hence, compound A is Na ₂ ~S ₂ O ₃, B is Ag ₂ ~S ₂ O ₃ and C is Ag ₂ ~S .

When sulphur is boiled with Na ₂ SO ₃ , a compound (A) is produced. (A) on reaction with excess AgNO ₃ solution gives a compound (B) , which after dissolving in water produces a black coloured sulphide (C) . Identify the compound (A),(B) and (C) .

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