If for a sucrose, elevation in boiling point is `1.0^(@)C`, then what will be the boiling point of `NaCl` solution for same molal concentration?

Options

A. `1.0^(@)C`
B. `2.0^(@)C`
C. `3.0^(@)C`
D. `4.0^(@)C`

Answer

D

Explanation

`DeltaT_(b)=iK_(b)m`
For `NaCl` solution, `i=2`
`:.`for NaCl,`DeltaT_(b)=2`