JEE Main 2022ChemistrySolid StateMediumNumerical

JEE Main 2022Solid State Question with Solution

JEE Main 2022 (24 Jun Shift 1)

Question

Atoms of element X form hcp lattice and those of element Y occupy 23 of its tetrahedral voids. The percentage of element X in the lattice is (Nearest integer)

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Show full solutionCorrect answer: 43
Correct answer
43

Step-by-step explanation

Number of effective atoms in HCP lattice is =6

Number of atoms of X=6

Number of T.V. in h.c.p. =12 2×Number of atoms

Number of Y atoms =23×12=8 atoms.

% of X=614×100=42.86%

Round off to the nearest integer = 43

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About this question

This is a previous-year question from JEE Main 2022, 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.