1
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molar mass of metal having density $$9.3 \mathrm{~g} \mathrm{~cm}^{-3}$$ that forms simple cubic unit cell. $$\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=22.6 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$$

A
$$210.2 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$105.3 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$52.6 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$70.2 \mathrm{~g} \mathrm{~mol}^{-1}$$
2
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Find the radius of an atom in fcc unit cell having edge length $$405 \mathrm{pm}$$.

A
202.5 pm
B
175.3 pm
C
143.2 pm
D
181.0 pm
3
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which formula is used to calculate edge length in bcc structure?

A
$$a=\frac{\sqrt{3} \mathrm{r}}{4}$$
B
$$a=\frac{4}{\sqrt{3} \mathrm{r}}$$
C
$$a=\frac{\sqrt{3}}{4 r}$$
D
$$a=\frac{4 r}{\sqrt{3}}$$
4
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is atomic mass of an element with $$\mathrm{BCC}$$ structure and density $$10 \mathrm{~g} \mathrm{~cm}^{-3}$$ having edge length $$300 \mathrm{~pm}$$ ?

A
$$51.0 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$60.0 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$81.3 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$96.8 \mathrm{~g} \mathrm{~mol}^{-1}$$
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