Q. Which one of the following pairs of reactants does not form oxygen when they react with each other?

A) F_{2}, NaOH solution (hot, conc.)
B) F_{2}, H_{2}O
C) Cl_{2}, NaOH solution (cold, dilute)
D) CaOCl_{2}, H_{2}SO_{4} , (dilute, small amount)
Explanation

(c)
Cl_{2}+2NaOH⟶NaCl+NaClO+H_{2}O
Cold,dil.
Chlorine reacts with cold and dilute NaOH to give sodium hypochlorite.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.