Question

a white coloured compound xcl is stored in dark coloured bottles. x is used to make ornaments . xcl is used in black and white photography , if kept outside it turns black. write and define the type of reaction involved

Answer 1

X is Ag i.e silver

AgCl is stored in dark bottles as it reactes with sunlight and decomposes.

AgCl-------> Ag(solid) + Cl2(gas)

reaction is DECOMPOSITION REACTION

Answer 2

Answer:

AgCl is the compound.

Explanation:

Ag (silver) is used to make ornaments. AgCl is used in black and white photography. If kept outside, the compound becomes black. This reaction is called a photodecomposition reaction. (photo means light. In this case, sunlight.)