1
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In an ionic solid equal number of cations and anions are missing from their regular positions in the crystal lattice creating vacancies is called-

A
Vacancy defect
B
Self interstitial defect
C
Schottky defect
D
Frenkel defect
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate number of atoms per unit cell of an element having molar mass $92.0 \mathrm{~g} \mathrm{~mol}^{-1}$ and density $8.6 \mathrm{~g} \mathrm{~cm}^{-3}$ forming cubic unit cell structure. $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=21.5 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

A
1
B
2
C
3
D
4
3
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molar mass of an element having density $5.6 \mathrm{~g} \mathrm{~cm}^{-3}$ that forms bec structure $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=75 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

A
$198 \mathrm{~g} \mathrm{~mol}^{-1}$
B
$210 \mathrm{~g} \mathrm{~mol}^{-1}$
C
$118 \mathrm{~g} \mathrm{~mol}^{-1}$
D
$225 \mathrm{~g} \mathrm{~mol}^{-1}$
4
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A
12
B
2
C
4
D
6
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