Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
If\[C{{l}_{2}}\]is passed into hot\[NaOH\]solution, oxidation number of chlorine changes from (1) 0 to + 5 (2) 0 to -1 (3) 0 to +1 (4) 0 to +7A) 1, 2 and 3 are correct.
B) 1 and 2 are correct.
C) 2 and 4 are correct.
D) 1 and 3 are correct.
Correct Answer: B
Solution :
On passing chlorine gas into hot and concentrated\[NaOH\]solution, sodium chlorate and sodium chloride are obtained.
\[\therefore \]Oxidation number of chlorine changes from 0 to + 5 and 0 to -1.
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