Question

Hey Annannuu.....

Have a look for your answer friend-------->

A. Silver (metal)
B. Silver Bromide (AgBr) which is used in photography.

And Reaction is ---------->
☆ NaBr + AgNO3 ----------> AgBr (yellow ppt.) + NaNO3 (aq)☆
[ it is a double displacement reaction]

When compound B is exposed in sunlight then it decomposes into it's constitutes such as-------

2AgBr (sunlight)------------> 2Ag(s) + Br2(g)

☆ C. Bromine gas (Br2) which is reddish brown in colour.

HOPE IT WILL HELP YOU!!!
THANKS!!!

Answer 1

ITZ THE ANSWER FOR:

Sodium bromide is added to an aqueous solution of a metal nitrate A. A yellow precipitate of B

is obtained which is used in photography. Compound B is photosensitive and decomposes to its

constituents, accompanied by the evolution of a reddish brown gas. Write down the balanced

equation and identify A and B.