D-And F-Block Elements Ques 198

Question: Photographic films and plates have an essential ingredient of

[CPMT 1980; CBSE PMT 1989]

Options:

A) Silver nitrate

B) Silver bromide

C) Sodium chloride

D) Oleic acid

Show Answer

Answer:

Correct Answer: B

Solution:

AgBr is most sensitive to light and undergoes photochemical reduction 2AgBr→Light2Ag+Br2

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