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प्रश्न
If chlorine gas is passed through hot NaOH solution, two changes are observed in the oxidation number of chlorine during the reaction. These are :
(i) 0 to +5
(ii) 0 to +3
(iii) 0 to –1
(iv) 0 to +1
उत्तर
(i) 0 to +5
(iii) 0 to –1
Explanation:
\[\ce{6NaOH + 3Cl2 -> 5NaCl + NaClO3 + 3H2O}\]
Chlorine gas oxidation number ranges from 0 to –1 to 0 to +5.
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