p-Block elementsHard

Question

Chlorine acts as a bleaching agent only in presence of :

Options

A.dry air
B.moisture
C.sunlight
D.pure oxygen

Solution

n the presence of moisture, Cl2 liberates nascent oxygen and thus acts as oxidising as will as bleaching agent.
Cl2 + H2O → HCl + HOCl
HOCl → HCl + [O]
Coloured matter + [0] → Colourless material

Create a free account to view solution

View Solution Free
Topic: p-Block elements·Practice all p-Block elements questions

More p-Block elements Questions

H2S gas is not evolved when SO32- ion reacts with following reagents....Which one is the anhydride of HClO4 ?...In lake test of Al3+ ion, there is formation of coloured floating. It is due to :...Methanides are :...Very pure hydrogen (99.9%) can be made by which of the following processes ?...