Answer :
Take about 2 g silver chloride in a china dish. It is first white in colour. Now place this china dish in sunlight for some time. After some time it is observed that white silver chloride turns grey. This is due to the decomposition of silver chloride into silver and chlorine by light.
2AgCl 
2Ag (s) + Cl2 (g)
Silver bromide also decomposed to silver and bromine by light.
2AgBr 
2Ag (s) + Br2 (g)
Use: The reaction is used in black and white photography.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
RELATED QUESTIONS :
A metal X forms a waLakhmir Singh & Manjit Kaur - Chemistry
