Question

$Cl_{2}\overset{Cold and dilute NaOH}{ \rightarrow }A+NaCl+H_{2}OCl_{2}\overset{Hot and Conc . NaOH}{ \rightarrow }B+NaCl+H_{2}O$
Compounds (A) and (B) in the above reactions are

• A. $NaClO_{3},NaClO$
• B. $NaClO_{2},NaOCl$
• C. $NaClO_{4},NaClO_{3}$
• D. $NaOCl,NaClO_{3}$

Answer 1

Answer: (D)

$Cl_{2}+NaOH\overset{C o l d \& d i l}{ \rightarrow }NaCl+NaOCl$
$Cl_{2}+NaOH\overset{H o t \& C o n c .}{ \rightarrow }NaCl+NaOCl_{3}$