Question

which type of chemical reaction occurs in black and white photography?​

Answer 1

Decomposition reaction occurs in black and white photography.

1) The halides compound of the silver is used to make the film of the photo and in the explorer of the light, the chemical reaction gives the film to produce the image.

2) In this reaction, the silver chloride breaks and gives silver and chloride.

AgCl  ---> Ag + Cl

Answer 2

Silver chloride ionizes to give silver and chloride ions in the decomposition reaction.

Explanation:

• In white and black photography the reaction that occurs is decomposition.
• Photography is very important and the gift of science that helps us to capture the moments of our lives.
• Photo film is made up of silver halide ions and during the chemical reaction, the film produces the image.  
• AgCl  ---> Ag + Cl
• Silver chloride ionizes to give silver and chloride ions in the decomposition reaction.