Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateGeneralEasy2 minPYQ_2020
ChemistryEasysingle choice

In orthorhombic unit cell the value of a, b and c are respectively 4.2 Å,8.6 Å and 8.3 Å . Given the molecular mass of the solute is 155 g mol-1and density is 3.3 g/cc , the number of formula units per unit cell is (Report your answer by rounding up to nearest integer)

Options:

Answer:
C
Solution:

Z= V× N A ×ρ M

V = Volume of unit cell = a×b×c

=4.2 × 8.6 × 8.3 × 10-24× 6.023 × 1023 × 3.3155=3.84 4

Stream:JEESubject:ChemistryTopic:Solid StateSubtopic:General
2mℹ️ Source: PYQ_2020

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