1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following metal has hcp crystal structure?

A
Cu
B
Zn
C
Ag
D
Po
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the radius of metal atom in bcc unit cell having edge length $$287 \mathrm{~pm}$$.

A
$$124.27 \mathrm{~pm}$$
B
$$143.51 \mathrm{~pm}$$
C
$$101.45 \mathrm{~pm}$$
D
$$57.4 \mathrm{~pm}$$
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the number of atoms present in unit cell if an element having molar mass $$23 \mathrm{~g} \mathrm{~mol}^{-1}$$ and density $$0.96 \mathrm{~g} \mathrm{~cm}^{-3}$$.

$$[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=48 \mathrm{~cm}^3 \mathrm{~mol}^{-1}]$$

A
1
B
2
C
4
D
6
4
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the density of an element having molar mass $$27 \mathrm{~g} \mathrm{~mol}^{-1}$$ that forms fcc unit cell. $$\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=38.5 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$$

A
$$2.8 \mathrm{~g} \mathrm{~cm}^{-3}$$
B
$$3.5 \mathrm{~g} \mathrm{~cm}^{-3}$$
C
$$2.1 \mathrm{~g} \mathrm{~cm}^{-3}$$
D
$$4.1 \mathrm{~g} \mathrm{~cm}^{-3}$$
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