JEE Main 2020 — Solutions Question with Solution
JEE Main 2020 (06 Sep Shift 1)
Question
The elevation of boiling point of aqueous solution is two times that of aqueous solution. The value of is
[Assume ionisation of the complex and coordination number of as and that all molecules are present inside the coordination sphere]
[Assume ionisation of the complex and coordination number of as and that all molecules are present inside the coordination sphere]
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Show full solutionCorrect answer: 5
Correct answer
5
Step-by-step explanation
aqueous molal solution of non electrolyte
Since the elevation in boiling point is double so the molality of given solution of complex
Hence the complex must be producing three ions in the solution, so its formula
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This is a previous-year question from JEE Main 2020, 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.