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When a Black Metal Compound Xo is Heated with a Colourless Gas Y2, Then Metal X and Another Compound Y2o Are Formed. Metal X is Red-brown in Colour Which Does Not React with Dilute Acids at All. Gas Y2 Can Be Prepared by the Action of a Dilute Acid on Any Active Metal. the Compound Y2o is a Liquid at Room Temperature Which Can Turn Anhydrous Copper Sulphate Blue. (A) What Do You Think is Metal X? (B) What Could Be Gas Y2? (C) What is Compound Xo? (D) What is Compound Y2o? (E) Write the Chemical Equation of the Reaction Which Takes Place on Heating Xo with Y2. (F) What Type of Chemical Reaction is Illustrated in the Above Equation? - CBSE Class 10 - Science

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Question

When a black metal compound XO is heated with a colourless gas Y2, then metal X and another compound Y2O are formed. Metal X is red-brown in colour which does not react with dilute acids at all. Gas Y2 can be prepared by the action of a dilute acid on any active metal. The compound Y2O is a liquid at room temperature which can turn anhydrous copper sulphate blue.
(a) What do you think is metal X?
(b) What could be gas Y2?
(c) What is compound XO?
(d) What is compound Y2O?
(e) Write the chemical equation of the reaction which takes place on heating XO with Y2.
(f) What type of chemical reaction is illustrated in the above equation?

Solution

(a) The metal X is copper.

(b) The gas Y2 is H2.

(c) The compound XO is CuO.

(d) The compound Y2O is H2O.

(e) The chemical reaction is given as follows:
     CuO + H2 → Cu + H2O

(f) The above reaction is a displacement reaction as well as a redox reaction.

  Is there an error in this question or solution?

APPEARS IN

 Lakhmir Singh Solution for Chemistry for Class 10 (2019 Exam) (2018 to Current)
Chapter 1: Chemical Reactions and Equations
Q: 62 | Page no. 49
Solution When a Black Metal Compound Xo is Heated with a Colourless Gas Y2, Then Metal X and Another Compound Y2o Are Formed. Metal X is Red-brown in Colour Which Does Not React with Dilute Acids at All. Gas Y2 Can Be Prepared by the Action of a Dilute Acid on Any Active Metal. the Compound Y2o is a Liquid at Room Temperature Which Can Turn Anhydrous Copper Sulphate Blue. (A) What Do You Think is Metal X? (B) What Could Be Gas Y2? (C) What is Compound Xo? (D) What is Compound Y2o? (E) Write the Chemical Equation of the Reaction Which Takes Place on Heating Xo with Y2. (F) What Type of Chemical Reaction is Illustrated in the Above Equation? Concept: Chemical Reactions - Types of Chemical Reactions - Displacement.
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