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Sodium thiosulphate, Na(2)S(2)O(3).5H(2)...

Sodium thiosulphate, `Na_(2)S_(2)O_(3).5H_(2)O` is used in photography to

A

Reduce the AgBr grains to metallic Ag

B

Convert metallic Ag to Ag salt

C

Remove undecomposed AgBr as soluble silver thisolphate complex

D

Remove reduced silver

Text Solution

Verified by Experts

The correct Answer is:
C
`Na_(2)S_(2)O_(3)+2 AgBr rarr underset("Soluble")(Ag_(2)S_(2)O_(3))+2NaBr`
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