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

Calculate the density of a metal molar mass $197 \mathrm{~g} \mathrm{~mol}^{-1}$ if it forms fcc structure. $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=40 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

A
$23.5 \mathrm{~g} \mathrm{~cm}^{-3}$
B
$21.2 \mathrm{~g} \mathrm{~cm}^{-3}$
C
$17.5 \mathrm{~g} \mathrm{~cm}^{-3}$
D
$19.7 \mathrm{~g} \mathrm{~cm}^{-3}$
2
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is minimum number of spheres required of develop a tetrahedral void?

A
2
B
4
C
6
D
3
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the volume of unit cell if an element having molar mass $92 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms bcc structure $\left[\varrho \times \mathrm{N}_{\mathrm{A}}=5.0 \times 10^{24} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-1}\right]$

A
$2.44 \times 10^{-23} \mathrm{~cm}^3$
B
$5.86 \times 10^{-23} \mathrm{~cm}^3$
C
$3.68 \times 10^{-23} \mathrm{~cm}^3$
D
$4.76 \times 10^{-23} \mathrm{~cm}^3$
4
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
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