The cubic unit cell structure of a compound containing cati…

Maths JEE - Advanced Previous Year Paper JEE-Advanced-2020-Paper-1 Single Correct MCQ

Published on: August 13, 2026

The cubic unit cell structure of a compound containing cation M and anion X is shown below. When compared to the anion, the cation has smaller ionic radius. Choose the correct statement(s).

The empirical formula of the compound is MX

The cation M and anion X have different coordination geometries

The ratio of M - X bond length to the cubic unit cell edge length is 0.866

The ratio of the ionic radii of cation M to anion X is 0.414

Text Solution

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The correct answer is:

CHECK THE SOLUTION.

(a, c)

It can be assumed to be CsCl type solid (bcc)

So,

Formula of solid = MX

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