Chemistry

An aqueous electrolyte consists of the following ions. The ion which could be discharged most readily during electrolysis is :
Fe²⁺
Cu²⁺
H⁺
Al³⁺

Electrolysis

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Answer

Cu²⁺

Reason — Ion's place in the electrochemical (reactivity) series determines how easily they discharge during electrolysis. Ions in a lower position discharge more easily and are less reactive.

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Chemistry

An aqueous electrolyte consists of the following ions. The ion which could be discharged most readily during electrolysis is :
Fe²⁺
Cu²⁺
H⁺
Al³⁺

Electrolysis

Answer

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Chemistry

An aqueous electrolyte consists of the following ions. The ion which could be discharged most readily during electrolysis is :Fe2+Cu2+H+Al3+

Electrolysis

Answer

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Select the correct answer — A compound which during electrolysis in it's molten state liberates a reddish brown gas at the anode :Sodium chlorideCopper (II) oxideCopper (II) sulphateLead (II) bromide

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State which of these will act as a non-electrolyte: Liquid carbon tetrachlorideAcetic acidSodium hydroxide aqueous solution.Potassium chloride aqueous solution.

An aqueous electrolyte consists of the following ions. The ion which could be discharged most readily during electrolysis is :
Fe²⁺
Cu²⁺
H⁺
Al³⁺

Select the correct answer — A compound which during electrolysis in it's molten state liberates a reddish brown gas at the anode :
Sodium chloride
Copper (II) oxide
Copper (II) sulphate
Lead (II) bromide

Identify the weak electrolyte from the following:
Sodium Chloride solution
Dilute Hydrochloric acid
Dilute Sulphuric acid
Aq. acetic acid.

During silver plating of an article using potassium argento-cyanide as an electrolyte, the anode material should be :
Cu
Ag
Pt
Fe

State which of these will act as a non-electrolyte:
Liquid carbon tetrachloride
Acetic acid
Sodium hydroxide aqueous solution.
Potassium chloride aqueous solution.