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JEE Main 2021Solutions Question with Solution

From: JEE Main 2021 (Online) 25th February Morning Shift

Question

1 molal aqueous solution of an electrolyte A2B3 is 60% ionised. The boiling point of the solution at 1 atm is _________ K. (Rounded off to the nearest integer)

[Given Kb for (H2O) = 0.52 K kg mol1]

Enter your answer

Show full solutionCorrect answer: 375
Correct answer
375

Step-by-step explanation



No. of ions = 2 + 3 = 5

i = 1 + (n 1)

= 1 + (5 1) 0.6

= 1 + 4 0.6 = 1 + 2.4 = 3.4

C





C

K

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About this question

This is a previous-year question from JEE Main 2021, 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.