JEE Main 2021ChemistryCoordination CompoundsCoordination NumbereasyNumerical

JEE Main 2021Coordination Compounds Question with Solution

From: JEE Main 2021 (Online) 26th August Morning Shift

Question

The ratio of number of water molecules in Mohr's salt and potash alum is ____________ 101. (Integer answer)

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Show full solutionCorrect answer: 5
Correct answer
5

Step-by-step explanation

Mohr's salt : (NH4)2 Fe(SO4)2 . 6H2O

The number of water molecules in Mohr's salt = 6

Potash alum : KAl(SO4)2 . 12H2O

The number of water molecules in potash alum = 12

So ratio of number of water molecules in Mohr's salt and potash alum





= 0.5

= 5 101

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About this question

This is a previous-year question from JEE Main 2021, covering the Coordination Compounds 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.