Question

give the reaction in which the presence of light which is used in black and white photography..

Answer 1

Silver bromide also undergoes decomposition in a similar manner when exposed to sunlight. As the above reactions are sensitive to light, they are used in black and white photography.

Answer 2

$\huge\mathbb\green{ANSWER!!!!}$

The reaction used in black and white photography is -

• 2AgCl -----> 2Ag + Cl2

• 2AgBr ----> 2Ag + Br2

Note -

• Both reaction are used in black and white photography.

Name of the compounds -

• AgCl = Silver Chloride

• Ag = Silver

• Cl2 = Chlorine

• AgBr = Silver Bromide

• Br2 = Bromine