In the reaction vessel 100g `H_(2) and 100g Cl_(2)` are mixed and suitbale conditions are provided for the following reactions:
`H_(2)(g)+Cl_(2)(g) overset(?)to 2HCl(g)`
Select the correct statement(s) for the above reaction:
A. Presence of light is required for this reaction
B. It is chaing required
C. Catalyst is required
D. All of the above
