JEE Main 2019ChemistrySolutionsAbnormal Colligative Property And Vant Hoff FactoreasyMCQ

JEE Main 2019Solutions Question with Solution

From: JEE Main 2019 (Online) 11th January Evening Slot

Question

K2Hgl4 is 40% ionised in aqueous solution. The value of its van't Hoff factor (i) is:

Choose an option

Show full solutionCorrect option: D
Correct answer
D1.8

Step-by-step explanation

K2Hgl4 is 40% ionised.

= = 0.4

K2[Hgl4] 2K+ + [Hgl4]2+

N = = 3

i = 1 + (N - 1)

= 1 + (3 - 1)0.4

= 1 + 20.4

= 1.8

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About this question

This is a previous-year question from JEE Main 2019, 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.