1
MHT CET 2022 11th August Evening Shift
+1
-0

Calculate the number of atoms in 5 gram metal that crystallises to form simple cubic unit cell structure having edge length $$336 \mathrm{~pm}$$. (Density of metal $$=9.4 \mathrm{~g} \mathrm{~cm}^{-3}$$ )

A
$$1.0 \times 10^{22}$$
B
$$2.1 \times 10^{22}$$
C
$$1.4 \times 10^{22}$$
D
$$1.8 \times 10^{22}$$
2
MHT CET 2021 24th September Evening Shift
+1
-0

The density of chromium metal is 7 g cm$$^{-3}$$. If edge length of unit cell is 300 pm, identify the type of unit cell. (At mass Cr = 52)

A
Body centred cubic
B
Simple cubic
C
Hexagonal close pack
D
Face centred cubic
3
MHT CET 2021 24th September Evening Shift
+1
-0

An element has $$\mathrm{BCC}$$ structure with edge length of unit cell $$600 \mathrm{~pm}$$. What is the atomic radius of element?

A
$$\sqrt{3} \times 150 \mathrm{~pm}$$
B
$$150 \mathrm{~pm}$$
C
$$300 \mathrm{~pm}$$
D
$$\frac{300}{\sqrt{2}} \mathrm{~pm}$$
4
MHT CET 2021 24th September Evening Shift
+1
-0

Which of the following pairs of compounds is isomorphous?

A
$$\mathrm{NaCl}, \mathrm{KCl}$$
B
$$\mathrm{NaF}, \mathrm{NaNO}_3$$
C
$$\mathrm{CaCl}_2, \mathrm{NaNO}_3$$
D
$$\mathrm{CaCO}_3, \mathrm{NaNO}_3$$
EXAM MAP
Medical
NEET