Question

Give an activity to prove that water contains H: O in the ratio 2: 1.​

Answer 1

Answer:

• Take acidified water in a container
• put the electrodes into it
• pass the electric current through it
• the gas collected at cathode is hydrogen and the gas collected at anode is hydrogen
• The hydrogen gas is present double in amount this is because water contains of two molecules of hydrogen and one molecule of oxygen.
• So, the ratio of H:O is 2:1

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