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Consider following figure and answer the...

Consider following figure and answer the questions at the end of it. Figure explains elevation in boiling point when a non-volatile solute is added to a solvent.

Variation of vapour pressure with temperature and showing elevation in boiling point.
A complex of iron and cyanide ions is 100% ionized at 1m (molal). If elevation in boiling point is `2.08^(@)(K_(b)=0.52^(@)mol^(-1)kg)` then the complex is:

A

`K_(3)[Fe(CN)_(6)]`

B

`Fe(CN)_(2)`

C

`K_(4)[Fe(CN)_(6)]`

D

`Fe(CN)_(4)`

Text Solution

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The correct Answer is:
A
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