JEE Main 2020ChemistryCoordination CompoundsCoordination NumbermediumNumerical

JEE Main 2020Coordination Compounds Question with Solution

From: JEE Main 2020 (Online) 8th January Evening Slot

Question

Complexes (ML5) of metals Ni and Fe have ideal square pyramidal and trigonal bipyramidal grometries, respectively. The sum of the 90°, 120° and 180° L-M-L angles in the two complexes is ________.

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Show full solutionCorrect answer: 20
Correct answer
20

Step-by-step explanation

JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Coordination Compounds Question 233 English Explanation 1
90o = 6

120o = 3

180o = 1

Total = 10 JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Coordination Compounds Question 233 English Explanation 2
90o = 8

180o = 2

Total = 10

Total number of 180o, 90o and 120o L-M-L bond angles = 10 + 10 = 20

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About this question

This is a previous-year question from JEE Main 2020, 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.