Products and electrode reactions in electrolysis of molten sodium chloride

1. A.
   $\text{Cl}_2$ gas is liberated at anode.
2. B.
   Na is deposited at cathode.
3. C.
   The decomposition of NaCl into Na(s) and $\text{Cl}_2$(g) is spontaneous.
4. D.
   Electrical energy is used to carry out the reaction.

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1. A.
   $Cl_2(g)$
2. B.
   Na(l)
3. C.
   Na-Hg(l)
4. D.
   $H_2(g)$

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1. A.
   Pale green $\mathrm{Cl_2}$ gas released at anode
2. B.
   Molten silvery white sodium is deposited at cathode
3. C.
   Decomposition of NaCl into Na metal and $\mathrm{Cl_2}$ gas
4. D.
   Both options A and B

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1. A.
   $\mathrm{Na^+_{(l)} + e^- \rightarrow Na_{(l)}}$
2. B.
   $\mathrm{Na_{(s)} \rightarrow Na^+_{(l)} + e^-}$
3. C.
   $\mathrm{Cl_{2(g)} + 2e^- \rightarrow 2Cl^-_{(l)}}$
4. D.
   $\mathrm{2Cl^-_{(l)} \rightarrow Cl_{2(g)} + 2e^-}$

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