JEE Main 2012 — Solutions Question with Solution
From: AIEEE 2012
Question
Kf for water is 1.86K kg mol–1. If your automobile radiator holds 1.0 kg of water, how many grams of
ethylene glycol (C2H6O2) must you add to get the freezing point of the solution lowered to –2.8oC ?
Choose an option
Show full solutionCorrect option: B
Correct answer
B93 g
Step-by-step explanation
Given
(ethylene glygol is a non- electrolyte)
wt. of solvent
Let of wt of solute
Mol. wt of ethyllene glycol
or
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This is a previous-year question from JEE Main 2012, covering the Solutions chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.