Solid State · Chemistry · MHT CET (Biology)

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MCQ (Single Correct Answer)

1

What is the percent void volume in hcp lattice?

MHT CET (PCB) 2025 9th April Evening Shift
2

Calculate the number of unit cells present in 0.6 g metal if the product of density and unit cell volume is $3.6 \times 10^{-22} \mathrm{~g}$.

MHT CET (PCB) 2025 9th April Evening Shift
3

Find the total number of tetrahedral voids formed in 0.5 mole of a compound forming hcp structure.

MHT CET (PCB) 2025 9th April Evening Shift
4

Which of the following statements is NOT true about vacancy defect?

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5

Calculate the volume occupied by a particle in simple cubic unit cell if the total volume of unit cell is $4.0 \times 10^{-23} \mathrm{~cm}^3$.

MHT CET (PCB) 2025 9th April Morning Shift
6

In ionic solid, anions are arranged in ccp array and cations occupy all the octahedral voids. What is the formula of ionic compound? [consider $\mathrm{A}=$ cation; $\mathrm{B}=$ anion]

MHT CET (PCB) 2025 9th April Morning Shift
7
Calculate the volume of bcc unit cell if the radius of an atom in it is 216.5 pm .
MHT CET (PCB) 2024 22th April Evening Shift
8

Calculate the number of atoms in 0.4 gram of metal if it forms fcc structure.

$$ \left[\rho \times \mathrm{a}^3=1.2 \times 10^{-22} \mathrm{~g}\right] $$

MHT CET (PCB) 2024 22th April Evening Shift
9

Calculate the molar mass of an element having density $19.2 \mathrm{~g} \mathrm{~cm}^{-3}$ if it forms fcc structure $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=40 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

MHT CET (PCB) 2024 22th April Morning Shift
10

Calculate the volume occupied by particle in simple cubic unit cell if volume of unit cell is $5.5 \times 10^{-22} \mathrm{~cm}^3$.

MHT CET (PCB) 2024 22th April Morning Shift
11
What is the minimum number of spheres required to develop an octahedral void?
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