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Assertion (A) : Silver bromide is used o...

Assertion (A) : Silver bromide is used on photographic and X - ray film .
Reason (R ) : Silver bromide is photosensitive and change to silver and bromine in presence of sunlight and undergoes decomposition reaction.

A

Both A and R are true , and R is the correct explanation of A.

B

Both A and R are true , but R is not the correct explanation of A.

C

A is true but R is false .

D

A is false but R is true .

Text Solution

Verified by Experts

The correct Answer is:
A
Silver bromide (AgBr) , on exposure to light ,undergoes photo chemical decomposition reaction .The silver ions produced reduce to silver atoms ,which remains as an opaque image on the photographic film .
`2AgBroverset("Sunlight")to2Agdarr+Br_(2)`
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