Question

Silver Bromide on exposure to sunlight decomposes into Silver Bromide..
balance??

Answer 1

2AgBr + (sunlight) ------> 2Ag + Br2.

Answer 2

When silver bromide is exposed to sunlight it decomposed into silver and bromide gas.

AgBr (s) ========> Ag(s) + Br2(g)

Balancing this equation we get....

2AgBr ======> 2Ag + Br2

HOPE THIS HELP YOU ☺☺