Q117 · CSIR NET Chemistry, December 2013
Paper: CSIR NET December 2013 · Subject: Physical Chemistry · Chapter: Surface Chemistry · Topic: Surface Chemistry – General · Marks: 2 · Difficulty: Easy
The molecule that has the smallest diffusion coefficient in water is
(a)glucose
(b)fructose
(c)ribose
(d)surcrose
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Diffusion coefficient falls with molecular size (Stokes–Einstein); the disaccharide sucrose is the largest.
Study loop for Surface Chemistry