1.

The questions (i) to (v) refer to the following salt solutions listed (a) to (f):(a) Copper nitrate(b) Iron (II) sulphate(c) Iron (III) chloride(d) Lead nitrate(e) Magnesium sulphate(f) Zinc chloride(i) Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution?(ii) Which two solution will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution?(iii) Which solution will give a white precipitate when either dilute hydrochloric acid or dilute sulphuric acid is added to it?(iv) Which solution becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it?(v) Which solution gives a white precipitate with excess ammonium hydroxide solution?

Answer» The questions (i) to (v) refer to the following salt solutions listed (a) to (f):

(a) Copper nitrate

(b) Iron (II) sulphate

(c) Iron (III) chloride

(d) Lead nitrate

(e) Magnesium sulphate

(f) Zinc chloride



(i) Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution?

(ii) Which two solution will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution?

(iii) Which solution will give a white precipitate when either dilute hydrochloric acid or dilute sulphuric acid is added to it?

(iv) Which solution becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it?

(v) Which solution gives a white precipitate with excess ammonium hydroxide solution?


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