Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsMedium2 minQB

ChemistryMediumsingle choice

Passage / Comprehension

A hypothetical metal M (Atomic weight = 450) crystallizes as a cubic crystal such that metal atoms touch each other along the body diagonal of the cube. The edge length of the cubic unit cell is $1 nm$ .

If this metal is melted, its density in molten form is $1.2 g m / cc$ . ( $N_{A} = 6 \times 1 0^{23}$ )

Percentage of empty space in molten state of metal will be -

Options:

Answer:

Solution:

$\frac{68}{1.5} = \frac{P.Fr.}{1.2} \Rightarrow$ P.Fr.54.4%

void $= 45.6%$

Stream:JEESubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals

⏱ 2mℹ️ Source: QB

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