AP EAMCET Engineering 26 Apr 2017 Shift 1 Paper

The osmotic pressure is calculated as:
π=iCRT
For 5.0M urea,
π=1×5×R×340
=1700R
For 1.5MA2B3 type,
π=4.1×1.5×R×300
=1800R
For 3MAB type,
π=1.6×3×R×300
=1440R
For 2.5MAB2 type,
π=2.5×2.5×R×330
=2062R
Therefore, highest osmotic pressure is shown by the sample 2.5MAB2 type.