1
MHT CET 2021 24th September Morning Shift
+1
-0

A metal has $$\mathrm{BCC}$$ structure with edge length of unit cell $$400 \mathrm{~pm}$$. Density or metal is $$4 \mathrm{~g} \mathrm{~cm}^{-3}$$. What is molar mass of metal?

A
$$40 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$27 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$92 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$77 \mathrm{~g} \mathrm{~mol}^{-1}$$
2
MHT CET 2021 24th September Morning Shift
+1
-0

The FCC unit cell of a compound contains ions of $$\mathrm{A}$$ at the corner and ions of $$\mathrm{B}$$ at the centre of each face, what is the formula of the compound?

A
$$\mathrm{AB}_2$$
B
$$\mathrm{A}_2 \mathrm{~B}$$
C
$$\mathrm{AB}_3$$
D
$$\mathrm{AB}$$
3
MHT CET 2021 24th September Morning Shift
+1
-0

What is the volume occupied by particles in $$\mathrm{BCC}$$ structure if '$$\mathrm{a}$$' is edge length of unit cell?

A
$$\frac{\sqrt{3} \pi a^3}{8}$$
B
$$\frac{\pi a^3}{3 \sqrt{2}}$$
C
$$\frac{\pi a^3}{12 \sqrt{2}}$$
D
$$\frac{\sqrt{3} \pi \mathrm{a}^3}{16}$$
4
MHT CET 2021 23rd September Evening Shift
+1
-0

Edge length of unit cell of BCC structure is 352 pm. What is radius of the atom?

A
176.3 pm
B
304.8 pm
C
152.4 pm
D
252.4 pm
EXAM MAP
Medical
NEET