Q. Aqueous solution of $Na_{2}S_{2}O_{3}$ on reaction with $Cl_{2}$ gives
A) $Na_{2}S_{4}O_{6}$
B) $NaHSO_{4}$
C) $NaCl$
D) $NaOH$
Explanation
(b)
Sodium thiosulphate, $Na_{2}S_{2}O_{3}$ gets oxidised by chlorine water.
$Na_{2}S_{2}O_{3} + 4Cl_{2} + 5H_{2}O\ \rightarrow 2NaHSO_{4} + 8HCl$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.