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Physical and Chemical Properties of Hydrogen

Substance tha...

Question

Substance that is light-sensitive and is used on photographic films is:

A

C a F_{2}

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B

C u C l

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C

A g B r

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D

M g {B r}_{2}

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Solution

The correct option is D $A g B r$
Silver bromide ( $A g B r$ ) is light-sensitive and is used on photographic films.
Silver bromide is the most sensitive silver halide to photo-reduction. Hence, it is used as the light-sensitive material in photographic films.
$2 A g B r l i g h t - - \to 2 A g + B r_{2}$

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