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Byju's Answer
Standard X
Chemistry
Zinc Ion
Which two sol...
Question

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


A

Copper nitrate and Lead nitrate

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B

Iron(II) sulphate and Magnesium sulphate

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C

Iron(III) chloride and Zinc chloride

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D

Lead nitrate and Zinc chloride

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E

Iron(II) sulphate and Iron(III) chloride

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Solution

The correct option is C

Iron(III) chloride and Zinc chloride


Iron(III) chloride and Zinc chloride


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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. Given below are word equations. Convert them into chemical equations using symbols and valencies. Balance the equations. Use appropriate signs for gases and precipitates in the reaction.
i) Zinc Sulphide + Oxygen gas → Zinc oxide solid + Sulphur dioxide gas
ii) Silver nitrate solution + Sodium chloride solution → Silver chloride precipitate + Sodium nitrate solution
iii) Sulphur solid + Concentrated nitric acid → Sulphuric acid + Nitrogen dioxide gas + Water
iv) Barium chloride Solution + Potassium sulphate Solution → Barium sulphate Precipitate + Potassium chloride solution
v) Silver nitrate on heating→ silver metal + nitrogen dioxide gas + Oxygen gas.
vi) Aluminium hydroxide + Nitric acid → Aluminium nitrate + Water.
Q. Sodium hydroxide solution is added first in a small quantity, then in excess to the aqueous salt solutions of copper (II) sulphate, zinc nitrate, lead nitrate, calcium chloride and iron (III) sulphate. Copy the following table and write the colour of the precipitate in (i) to (v) and the nature of the precipitate (soluble or insoluble) in (vi) to (x).
Aqueous salt
solution

 Colour of precipitate
when NaOH is added
in a small quantity.
 Nature of precipitate
(soluble or insoluble)
when NaOH is added
in excess.
Copper(II) sulphate
Zinc nitrate
Lead nitrate
Calcium chloride
Iron(III) sulphate		 (i)
(ii)
(iii)
(iv)
(v)		 (vi)
(vii)
(viii)
(ix)
(x)
Q. Write the formula of the following compounds.
calcium hydroxide, copper chloride, iron sulphate, sodium carbonate, copper nitrate, copper oxide, lead sulphide, magnesium chloride, zinc sulphate, potassium hydroxide.
Q. Write a balanced chemical equation with the help of chemical symbols and formulas for the following reactions:

(i) Zinc + Silver nitrate ⟶ Zinc nitrate + Silver

(ii) Copper oxide + Hydrogen ⟶ Copper + Water

(iii) Barium chloride + Aluminium sulphate ⟶ Barium sulphate + Aluminium chloride
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