Question

Give the characteristic test for the following gases: a)CO2 b)SO2 c)H2 d)NO2

Answer 1

Answer:

Confirmatory tests for the following gases are discussed below :-

Explanation:

1.) CO2 (Carbon dioxide gas) :- it is a colorless and odorless gas which turns lime water milky but do not turns acidified potassium dichromate solution from orange to green color

2.) SO2 (Sulpher dioxide gas) :- it is a colorless gas which turns lime water milky and also turns acidified potassium dichromate solution from orange to green color

3.) H2 (Hydrogen gas) :- it burns in air with a pop sound and blue flame

4.) NO2 (Nitrogen dioxide gas) :-it has a reddish brown color and biting smell

Hope this answer helps you!

please also mark it as a brainlist answer .... thank you