NTA Abhyas JEE Main2020Chemistrys Block ElementsPractice
N a O C l is used as a bleaching agent and sterilising agent. It can be synthesised by the action of
Options
- AN a C l w i t h H 2 O
- BN H 4 C l w i t h N a O H
- CC l 2 with cold and dilute N a O H
- DC l 2 with hot and concentrated N a O H
Correct answer
C. C l 2 with cold and dilute N a O H
Step-by-step solution
NaOCl is used as a bleaching agent and sterilising agent. It is formed by the action of C l 2 with cold and dilute NaOH. 2 N a O H + C l 2 ⟶ N a C l + N a O C l + H 2 O Cold and dil. 6 N a O H + 3 C l 2 ⟶ 5 N a C l + N a C l O 3 + 3 H 2 O Hot and conc.