Compare the chemical properties of metals and non-metals with reference to discharge of ions at the respective electrodes :

both deposit at anode

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both deposit at cathode

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non metals deposit at anode while metal deposit at cathode

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metals deposit at anode while non metal deposit at cathode

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Solution

The correct option is C non metals deposit at anode while metal deposit at cathode
As oxidation happens at anode so non metals always deposited at anode while metal always deposited at cathode (reduction)
At cathode: $N a^{+} + e^{-} \to N a$
At anode: $C l^{-} - e^{-} \to C l$

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(iv) Silver grey fumes at anode reddish brown fumes at the cathode.

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Compare the chemical properties of metals and non-metals with reference to discharge of ions at the respective electrodes :

The correct option is C non metals deposit at anode while metal deposit at cathodeAs oxidation happens at anode so non metals always deposited at anode while metal always deposited at cathode (reduction)At cathode: Na++e−→NaAt anode: Cl−−e−→Cl

The correct option is C non metals deposit at anode while metal deposit at cathode
As oxidation happens at anode so non metals always deposited at anode while metal always deposited at cathode (reduction)
At cathode: $N a^{+} + e^{-} \to N a$
At anode: $C l^{-} - e^{-} \to C l$