JEE Main 2021 — Solid State Question with Solution
From: JEE Main 2021 (Online) 22th July Evening Shift
Question
A copper complex crystallising in a CCP lattice with a cell edge of 0.4518 nm has been revealed by employing X-ray diffraction studies. The density of a copper complex is found to be 7.62 g cm3. The molar mass of copper complex is ____________ g mol1. (Nearest integer)
[Given : NA = 6.022 1023 mol1]
[Given : NA = 6.022 1023 mol1]
Enter your answer
Show full solutionCorrect answer: 105.8
Correct answer
105.8
Step-by-step explanation
M = 105.8 g/mol
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This is a previous-year question from JEE Main 2021, covering the Solid State 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.