Atomic weight of barium is 137.34 The eq...

Atomic weight of barium is 137.34 The equivalent weight of barium is `BaCrO_(4)` used an an oxidising agent in acid medium is

A

137.34

B

45.78

C

114.45

D

68.67

Text Solution

Verified by Experts

The correct Answer is:

B

`CrO_(4)^(2-)` (and not `Ba^(2+)`) is involved as an oxidising agent and reduced to `Cr^(3+)` hence, `Ew=(Mw)/(3)`

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