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Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsMedium2 minPYQ_2018

ChemistryMediumsingle choice

A compound formed by elements $X$ and $Y$ crystallises in the cubic structure, where $X$ atoms are at the corners of a cube and $Y$ atoms are at the centre of the body. The formula of the compounds is

Options:

Answer:

Solution:

Number of $X$ atoms at the corners $= 8$ Number of $X$ atoms per unit cell $= 8 \times \frac{1}{8} = 1$ atom Number of $Y$ atoms at the centre of the body $= 1$ atom Hence, the formula of the compound is $X Y$ .

Stream:WBJEESubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals

⏱ 2mℹ️ Source: PYQ_2018

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