23.Why does in electrolysis of water oxygen comes at anode and hydrogen at cathode??

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Q. In electrolysis of water ,hydrogen is collected at cathode and oxygen is collected at at the anode

Q. In electrolysis of water why is oxygen released at anode?

Q. Statement 1: During the electrolysis of water, the volume of gas obtained at anode is more than the volume of gas obtained at cathode.

Statement 2: Hydrogen is obtained at cathode and oxygen is obtained at anode during the electrolysis of water.

Q. Oxygen and hydrogen gas are produced at the anode and cathode respectively, during the electrolysis of fairly concentrated aqueous solution of:

Which of the following statements are correct?

a) The electrolysis of aqueous NaCl produces hydrogen gas at the cathode and chlorine gas at the anode .

b) The electrolysis of a $C u S O_{4}$ solution using Pt electrodes causes the liberation of $O_{2}$ at the anode and the deposition of copper at the cathode .

c) Oxygen and hydrogen are produced at the anode and cathode during the electrolysis of dilute aqueous solution of $H_{2} S O_{4}$ .

d) All electrolytic reactions are redox reactions .

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