1
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

The volume of simple unit cell is $x \times 10^{-23} \mathrm{~cm}^3$. Calculate the value of $x$ if volume occupied by a particle in it is $2.1 \times 10^{-23} \mathrm{~cm}^3$.

A
3.0
B
3.5
C
4.0
D
4.5
2
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

In ionic solid, anions are arranged in ccp array and cations occupy $1 / 3$ tetrahedral voids. What is the formula of ionic compound?

[Consider $\mathrm{A}=$ cation; $\mathrm{B}=$ anion]

A
$\quad \mathrm{AB}_3$
B
$\quad \mathrm{A}_2 \mathrm{~B}_3$
C
$\mathrm{A}_3 \mathrm{~B}_2$
D
$\quad \mathrm{AB}_4$
3
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is NOT correct regarding voids in lattice structure?

A
Four spheres are involved in the formation of a tetrahedral void.
B
The octahedral void is surrounded by six spheres.
C
There are two tetrahedral voids associated with each atom.
D
There is one octahedral void associated with two atoms.
4
MHT CET 2025 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Calculate the volume of unit cell having atomic radius 141.4 pm forming fcc unit cell.
A
$9.3 \times 10^{-23} \mathrm{~cm}^3$
B
$8.1 \times 10^{-23} \mathrm{~cm}^3$
C
$6.4 \times 10^{-23} \mathrm{~cm}^3$
D
$4.7 \times 10^{-23} \mathrm{~cm}^3$
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