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Which out of the following compounds is ...

Which out of the following compounds is photographers fixer?

A

`Na_(2)SO_(3)`

B

`Na_(2)S_(2)O_(3).5H_(2)O`

C

`Na_(2)SO_(2)`

D

`Na_(2)S`

Text Solution

Verified by Experts

The correct Answer is:
b
`Na_(2)S_(2)O_(3).5H_(2)O` (hope) it is called photographer's fixer because it removes the excess AgBr in the form of soluble silver complex.
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