From the following list of substances:
Ammonium chloride, Ammonium nitrate, Chlorine, dilute Hydrochloric acid, Iron, Lead nitrate, Manganese dioxide, Silver nitrate, Sodium nitrate, Sodium nitrite, Sulphur
Choose those which met the following description:
“Two compounds whose aqueous solutions give a white precipitate with dilute hydrochloric acid”

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Solution

The reaction of Hydrochloric acid with Silver Nitrate in aqueous form gives a white colour precipitate of Silver chloride and Nitric acid.
The chemical equation for the above reaction is, ${AgNO}_{3} (aq) + HCl (d i l .) \to AgCl (s) + {HNO}_{3} (l) Silver Hydrochloric Silver Nitric Acid Nitrate acid chloride (White ppt .)$
The reaction of dilute Hydrochloric acid with Lead nitrate gives a white colour precipitate of Lead chloride and Nitric acid.
The chemical equation for the above reaction is, $Pb {({NO}_{3})}_{2} (a q) + 2 HCl (dil) \to {PbCl}_{2} (s) + 2 {HNO}_{3} (l) Lead Hydrochloric Lead Nitric Acid Nitrate Acid nitrate$
So, from the list of substances, two compounds whose aqueous solutions give a white precipitate with dilute Hydrochloric acid are Silver nitrate and Lead nitrate.

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Similar questions

Q. 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?

Q. 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 solutions 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?

(b) From the list of substances given below, choose the pair required to prepare the salts (i) to (iii) in the laboratory and write down the relevant equations. The substances are
chlorine, iron, lead, lead nitrate solution, sodium nitrate solution, iron (III) carbonate, lead carbonate, iron (III) hydroxide, sodium hydroxide solution and dilute hydrochloric acid. The salts are
(i) sodium chloride.
(ii) lead chloride.
(iii) anhydrous iron (III) chloride.

Write the balanced chemical equations of the following reactions.

(a) Sodium hydroxide + sulphuric acid $\to$ sodium sulphate + water

(b) Potassium bicarbonate + sulphuric acid $\to$ potassium sulphate + carbon dioxide + water

(d) Chlorine + sulphur dioxide + water $\to$ sulphuric acid + hydrogen chloride

(e) Silver nitrate $\to$ silver + nitrogen dioxide + oxygen

(f) Copper + nitric acid $\to$ copper nitrate + nitric oxide + water

(g) Ammonia + oxygen $\to$ nitric oxide + water

(h) Barium chloride + sulphuric acid $\to$ barium sulphate + hydrochloric acid

(i) Zinc sulphide + oxygen $\to$ zinc oxide + sulphur dioxide

(j) Aluminium carbide + water $\to$ aluminium hydroxide + methane

(k) Iron pyrites ( $F e S_{2}$ ) + oxygen $\to$ ferric oxide + sulphur dioxide

(l) Potassium permanganate + hydrochloric acid $\to$ potassium chloride + manganese chloride + chlorine + water

(m) Aluminium sulphate + sodium hydroxide $\to$ sodium sulphate + sodium meta aluminate + water.

(n) Aluminium + sodium hydroxide + water $\to$ sodium meta aluminate + hydrogen

(o) Potassium dichromate + sulphuric acid $\to$ potassium chloride + chromium chloride + water + chlorine.

(p) Sulphur + nitric acid $\to$ sulphuric acid + nitrogen dioxide + water.

(q) Sodium chloride + manganese dioxide + sulphuric acid $\to$ sodium hydrogen sulphate + manganese sulphate + water + chlorine.

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 solutions 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 of dilute hydrochloric acid or dilute sulphuric acid is added to it?
(iv) Which solution becomes deep blue in colour when excess of ammonium hydroxide is added to it?
(v) Which solution gives a white precipitate with an excess of ammonium hydroxide solution?

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