Question

Q) Gases ‘X’ and ‘Y’ are liberated at cathode and anode respectively during the electrolysis of water. Oxide of gas ‘X’ further combines with the gas exhaled during respiration to form a compound ‘Z’. Compound ‘Z’ is called . . .

Answer 1

Answer: X= Oxygen

Y= Hydrogen

Z= Carbon dioxide [CO2]

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Answer 2

Answer:

X is Hydrogen, Y is Oxygen and the oxide of hydrogen is water. So, the compound Z which is made by combining water and carbon dioxide is Carbonic acid.

Explanation:

Electrolysis of water:

• The process of electrolysis of water, also known as electrochemical water splitting, is the use of electricity to decompose water into oxygen and hydrogen gas.
• In the electrolysis of water, the gas collected at cathode is hydrogen and the gas collected at anode is oxygen.

Result:

Given, Gas X liberated at cathode is Hydrogen.

Gas Y liberated at anode is Oxygen.

Oxide of Hydrogen (gas X) is water (H₂O).

Gas exhaled during respiration is Carbon dioxide.

Therefore, compound Z formed by combining water and carbon dioxide is Carbonic acid (H₂CO₃).