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Question

During the electrolysis of fused NaCl, at anode:


A
Cl ions are oxidised
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B
Clions are reduced
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C
Naions are oxidised
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D
Na+ ions are reduced
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Solution

The correct option is A $$Cl^{-}$$ ions are oxidised
During electrolysis of molten NaCl, sodium metal is obtained at the cathode (by reduction of sodium ions) and chlorine gas is obtained at the anode (by oxidation of chloride ions).
$${Na }^{ + }\quad +\quad { e }^{ - }\quad \xrightarrow {  } \quad { Na
}\quad \quad (Reduction\quad at\quad cathode)$$

$$ {
 2{ Cl }^{ - } }\quad \xrightarrow {  } \quad { Cl }_{ 2
}+\quad { 2 }e^{ - }\quad (Oxidation\quad at\quad anode)$$

Chemistry

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