Which solute, when dissolved in 1 kg H2O, will give the solution with the highest boiling point? Why?
(A) 50 g ethylene glycol, HOCH2CH2OH
(B) 50 g hydroxyacetic acid, HOCH2COOH
(C) 50 g glycerol, HOCH2CHOHCH2OH
(D) 50 g glyoxal, HCOCHO
The answer is D but an explanation is needed.
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