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The number of equivalents of N(2)S(2)O(3...

The number of equivalents of `N_(2)S_(2)O_(3)` required for the volumetric estimation of one equivalent of `Cu^(2+)` is

A

`1`

B

`2`

C

`3//2`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
B
`2Na_(2)S_(2)O_(3)+I_(2)to2NaI+Na_(2)S_(4)O_(6)`
`Cu^(2+) + 2I^(-) to CuI_(2)`
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