Q .     The observed osmotic pressure for a 0.10 M solution of `Fe(NH_4)_2(SO_4)_2` at `25^oC` is 10.8 atm. The expected and experimental (observed) values of Van't Hoff factor (i) will be respectively (`R=0.082\ L\ atm K^{-1} mol^{-1}`)

JEE 2014 Mains Paper 4
A

`5` and `4.42`

B

`4` and `4.00`

C

`5` and `3.42`

D

`3` and `5.42`

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