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The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution

The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution is

Options

(a) oxidation
(b) reduction
(c) displacement
(d) disproportionation

Correct Answer:

disproportionation

Explanation:

3Cl₂ + 6NaOH → 5NaCl + NaClO₃ + 3H₂O; Cl₂ undergoes disproportionation into NaCl (Oxidation Number = -1) and NaClO₃ (Oxidation Number = + 5).

UP2009
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