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3.1 mole of FeCl(3) and 3.2 mole of NH(4...

3.1 mole of `FeCl_(3)` and 3.2 mole of `NH_(4)SCN` are added to one litre of water. At equilibrium, 3.0 mol of `FeSCN^(2+)` are formed. The equilibrium constant `K_(c)` of the reaction :
`Fe^(3+)+SCN^(-)iffFeSCN^(2+)`
will be :

A

`6.66 xx 10^(-3)`

B

0.3

C

3.3

D

150

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The correct Answer is:
B
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