Question:
Statements about heavy water are given below.
A. Heavy water is used in exchange reactions for the study of reaction mechanisms.
B. Heavy water is prepared by exhaustive electrolysis of water
C. Heavy water has higher boiling point than ordinary water.
D. Viscosity of $\mathrm{H}_{2} \mathrm{O}$ is greater than $\mathrm{D}_{2} \mathrm{O}$
Correct Option: 1
Solution:
Heavy water is used in exchange reactions for study of reaction mechanisms
Heavy water is prepared by exhaustive electrolysis of water.
B.P. of $\mathrm{D}_{2} \mathrm{O}=374.4 \mathrm{~K}$
B.P. of $\mathrm{H}_{2} \mathrm{O}=373 \mathrm{~K}$
Viscosity of $\mathrm{H}_{2} \mathrm{O}=0.89$ centipoise
Viscosity of $\mathrm{D}_{2} \mathrm{O}=1.107$ centipoise