First slide

Theory of dilute solutions

Question

Which of the following will have the highest boiling point at I atm pressure?

Moderate

A

0.1 M NaCI
B

0.1 M sucrose
C

0.1 M BaCI₂
D

0.1 M glucose

Solution

$∆ T_{b} = K_{b} \times M o l a l i t y \times (1 - α + x α + y α) ∆ T_{b} i s m o r e f o r B a C I_{2} a s i t g i v e s m o r e n u m b e r o f i o n s, (1 - α + x α + y α) i s m o r e f o r B a C I_{2} (i t i s 3) .$

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