The salt formed on reaction of copper oxide with hydrochloric acid is :

Cuprous chloride

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Cupric chloride

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Both formed in

1 : 2

ratio

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Both formed in

1 : 3

ratio

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Solution

The correct option is B Cupric chloride
copper oxide $+$ hydrochloric acid $\to$ copper chloride $+$ water
$C u O + 2 H C l \to C u C l_{2} + H_{2} O$

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Similar questions

Statement 1: Reaction of hydrochloric acid with a base forms salt and water.

Statement 2: Reaction of hydrochloric acid with sodium hydroxide forms sodium chloride and water.

Q. On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green. Write the new compound formed.

Q. Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and heated with cuprous bromide. The reaction mixture formed contains :

Write the balanced chemical equations for the following reactions-

(a) Sodium carbonate on reaction with hydrochloric acid in equal molar concentration gives sodium chloride and sodium hydrogen carbonate.

(b) Sodium hydrogen carbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.

(c) Copper sulphate on treatment with potassium iodide precipitates cuprous iodide $({Cu}_{2} I_{2})$ , liberates iodine gas and also forms potassium sulphate.

Q. On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
(a) Predict the new compound formed which imparts a blue-green colour to solution.
(b) Write a balanced chemical equation of the reaction which takes place.
(c) On the basis of the above reaction, what can you say about the nature of copper oxide?

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The salt formed on reaction of copper oxide with hydrochloric acid is :

The correct option is B Cupric chloridecopper oxide + hydrochloric acid → copper chloride + water CuO+2HCl→CuCl2+H2O

The correct option is B Cupric chloride
copper oxide $+$ hydrochloric acid $\to$ copper chloride $+$ water
$C u O + 2 H C l \to C u C l_{2} + H_{2} O$