A black coloured compound (A) on reaction with dil. $$H2SO4$$ gives a gas (B) and almost a colourless solution from which a pale green compound crystallizes out. Gas (B) on passing through a solution of an acid (C) gives a white turbidity (D). Gas (B) when passed through an acidified solution of a compound (E) gives a precipitate (F) soluble in dilute $$HNO3$$. After boiling this solution, addition of an excess of $$NH4OH$$ results in an intense blue coloured compound (G). A chocolate brown precipitate (H) is obtained when acetic acid and aqueous $$K4$$[$$Fe(CN)6$$] is added to the solution containing (G). On addition of an aqueous solution of $$BaCl2$$ to an aqueous solution of (E) a white precipitate insoluble in dilute HCl is obtained. Compounds A, D and F respectively areCompounds G and H respectively are

Question

A black coloured compound (A) on reaction with dil. $$H2SO4$$ gives a gas (B) and almost a colourless solution from which a pale green compound crystallizes out. Gas (B) on passing through a solution of an acid (C) gives a white turbidity (D). Gas (B) when passed through an acidified solution of a compound (E) gives a precipitate (F) soluble in dilute $$HNO3$$. After boiling this solution, addition of an excess of $$NH4OH$$ results in an intense blue coloured compound (G). A chocolate brown precipitate (H) is obtained when acetic acid and aqueous $$K4$$[$$Fe(CN)6$$] is added to the solution containing (G). On addition of an aqueous solution of $$BaCl2$$ to an aqueous solution of (E) a white precipitate insoluble in dilute HCl is obtained. Compounds A, D and F respectively areCompounds G and H respectively are

Infinity Learn · Accepted Answer

A $$-$$ FeS                         B $$-$$ $$H2SC$$ $$-$$ $$HNO3$$                      D $$-$$ S E $$-$$ $$CuSO4$$                     F $$-$$ CuSG $$-$$ [$$Cu(NH3)4$$]$$(NO3)2$$   H $$-$$ $$Cu2Fe(CN)6$$ A $$-$$ FeS                         B $$-$$ $$H2SC$$ $$-$$ $$HNO3$$                      D $$-$$ S E $$-$$ $$CuSO4$$                     F $$-$$ CuSG $$-$$ [$$Cu(NH3)4$$]$$(NO3)2$$   H $$-$$ $$Cu2Fe(CN)6$$

Detailed Solution

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