Q. 0.004 M$\ Na_{2}SO_{4}$ is isotonic with 0.01 M glucose.Degree of dissociation of $Na_{2}SO_{4}$ is
A) 61
B) 244
C) 366
D) 122
Explanation
(b)
Benzoic acid dimerises in beneze.
Mol. wt. of benzoic acid
=78+12+32=122
Hence , moleculer weight of benzoic acid in benzene is
=122+122=244
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.