The molal elevation constant is the ratio of the elevation in B.P. to
A. Molarity
B. Molality does not change with temperature
C. Mole fraction of solute
D. Mole fraction of solvent
A. Molarity
B. Molality does not change with temperature
C. Mole fraction of solute
D. Mole fraction of solvent
Correct Answer – B
`Delta T_(b)=K_(b)xx m` or `K_(b) = Delta T_(b)//m`