JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 6 April 2023, Shift 1, Chemistry Q61

Question 61 of 90 in this shift, Chemistry question 1 of 30, Section A.

A compound is formed by two elements X and Y. The element Y forms cubic close packed arrangement and those of element X occupy one third of the tetrahedral voids. What is the formula of the compound ?

(1) $\mathrm{XY_3}$
(2) $\mathrm{X_3Y}$
(3) $\mathrm{X_2Y_3}$ Official answer
(4) $\mathrm{X_3Y_2}$

Official answer

Option 3

NTA final key.

Chapter: The Solid State
Topic: Crystal Lattices
Idea tested: Deriving Formula from Void Occupancy

Same topic in other shifts

All Crystal Lattices questions

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28 Jul 2022, Shift 1 · Q82An element M crystallises in a body centred cubic unit cell with a cell edge of 300 pm. The density of the element is…MediumNumerical value
24 Jun 2022, Shift 1 · Q81Atoms of element X form hcp lattice and those of element Y occupy $\frac{2}{3}$ of its tetrahedral voids. The percentage of element X in…MediumNumerical value
16 Mar 2021, Shift 2 · Q52Ga (atomic mass 70 u) crystallizes in a hexagonal close packed structure. The total number of voids in 0.581 g of Ga is ________…MediumNumerical value
18 Mar 2021, Shift 1 · Q31In a binary compound, atoms of element A form a hcp structure and those of element M occupy 2/3 of the tetrahedral voids of the hcp…EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.