AIIMS2000Chemistry-uses of coordination complexes
AIIMS 2000 Chemistry Fixing Process MCQ Question
Type: MCQ-conceptual-Easy-Class 12
Sodium thiosulphate is used in photography to
A
reduce AgBr grains to metallic Ag
B
dissolve out AgBr produced by reduction
C
remove unaffected AgBr in the photographic film or plate
D
none of these
Correct Answer
Option C
Detailed Explanation
Sodium thiosulphate acts as a fixer in photography by dissolving unreacted AgBr, leaving behind the developed image.
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