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Question

The products obtained when chlorine gas reacts with cold and dilute aqueous NaOH are:

A
ClO and ClO3
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B
ClO2 and ClO3
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C
Cl and ClO
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D
Cl and ClO2
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Solution

The correct option is C Cl and ClO

Case -1: Hot Concentrated NaOH

The reaction between chlorine and hot concentrated sodium hydroxide solution is:

NaOH+Cl25NaCl+NaClO3+3H2O

Case -2:Cold NaOH

The reaction between chlorine and cold dilute sodium hydroxide solution is:

2NaOH+Cl2NaCl+NaClO+H2O


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