MCQ
Silver halides are used in photography because
- ✓They are photosensitive
- BSoluble in hypo
- CSoluble in $N{H_4}OH$
- DSoluble in acids
✓
Answer
Correct option: A.
They are photosensitive
a
$AgBr$ is used in photography because it is light sensitive. It undergo photodissociation in the presence of light.
$AgBr$ is used in photography because it is light sensitive. It undergo photodissociation in the presence of light.
$2 AgBr \stackrel{ hr }{\longrightarrow} 2 Ag + Br _2$
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{C{H_2} - C{H_2} - C{H_2} - C{H_2}OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
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{C{H_3} - C{H_2} - CH - C{H_2}OH} \\
{|\,} \\
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$(III)$ $\begin{array}{*{20}{c}}
{C{H_3} - CH - C{H_2} - C{H_2}OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
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$(IV)$ $CH_3-CH_2-CH_2-CH_2OH$
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