1
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Find the void volume of bec unit cell in $\mathrm{cm}^3$ if volume of unit cell is $1.5 \times 10^{-22} \mathrm{~cm}^3$.

A
$4.8 \times 10^{-23}$
B
$3.6 \times 10^{-23}$
C
$2.4 \times 10^{-23}$
D
$1.2 \times 10^{-23}$
2
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the volume of unit cell of an element having molar mass $63.5 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms fcc structure $\left[\varrho \times \mathrm{N}_{\mathrm{A}}=5.5 \times 10^{24} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-1}\right]$

A
$4.102 \times 10^{-23} \mathrm{~cm}^3$
B
$5.430 \times 10^{-23} \mathrm{~cm}^3$
C
$5.014 \times 10^{-23} \mathrm{~cm}^3$
D
$4.618 \times 10^{-23} \mathrm{~cm}^3$
3
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the density of an element having molar mass $63 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms fcc structure $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=28 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

A
$6.0 \mathrm{~g} \mathrm{~cm}^{-3}$
B
$9.0 \mathrm{~g} \mathrm{~cm}^{-3}$
C
$5.0 \mathrm{~g} \mathrm{~cm}^{-3}$
D
$7.0 \mathrm{~g} \mathrm{~cm}^{-3}$
4
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the coordination number of a particle in hcp structure?

A
2
B
4
C
6
D
12
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