JEE Main Chemistry question

NaOCl is used as a bleaching agent and sterilising agent. It can be synthesised by the action of [OJEE 2003]

(A)NaCl with
(B) with NaOH
(C) with cold and dilute NaOHCorrect
(D) with hot and concentrated NaOH

Answer: (C)

Solution

Cold, dilute NaOH reacting with gives sodium hypochlorite: 2NaOH + Cl_2 \to NaCl + NaOCl + H_2O. Hot concentrated NaOH with instead disproportionates further to chlorate: 3Cl_2$ →

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-137593