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The Ellingham diagram for a number of me...

The Ellingham diagram for a number of metallic sulphide is reproduced below

Which of the following sulpliides can be reduced to metal by `H_(2)` at about 1000 K?

A

`CS_(2)`

B

`PbS`

C

`Bi_(2)S_(3)`

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
C
From the Ellingham diagram pbs is not reduced by `H_(2)` because PS formation curve present below that `H_(2)S` formation curve. `Bi_(2)S_(3)` can be reduced by `H_(2)` at 1000K.
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