Q.
The freezing point of 1% solution of lead nitrate in water will be
A) $2℃$
B) $1℃$
C) $0℃$
D) Below $0℃$
Explanation
(d)
Aqueous solution of any substance (non-volatile) freezes below 0$℃$ because the vapour pressure of the solution becomes lower than that of pure solvent.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.