Question

what will be the chemical equation when hydrogen reacts with chlorine in sunlight​

Answer 1

Answer:

Reaction of Chlorine with Hydrogen Chlorine and Hydrogen mixed together explodes when exposed to sunlight, which produces Hydrogen Chloride. In the dark away from sunlight, no reaction occurs, so light energy is required for a reaction.

Cl2 + H2 = 2 HCl

Answer 2

Answer:

$H_{2} + Cl_{2} ---> 2HCl$

Explanation:

As such hydrogen and chlorine so not react even if kept for long durations. But when in sunlight,​ hydrogen reacts with chlorine to form Hydrochloric gas.