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1
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the edge length of unit cell of metal which crystallises to bcc structure.

(Radius of metal atom $$=173 \mathrm{~pm}$$ )

A
$$5.01 \times 10^{-8} \mathrm{~cm}$$
B
$$4.00 \times 10^{-8} \mathrm{~cm}$$
C
$$4.5 \times 10^{-8} \mathrm{~cm}$$
D
$$5.5 \times 10^{-8} \mathrm{~cm}$$
2
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the total number of Bravais lattices present for different crystal systems?

A
14
B
7
C
4
D
3
3
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molar mass of an element with density $$2.7 \mathrm{~g} \mathrm{~cm}^{-3}$$ that forms fcc structure. $$\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=40 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$$

A
$$112 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$54 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$27 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$78 \mathrm{~g} \mathrm{~mol}^{-1}$$
4
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the CORRECT decreasing order of melting point of cluster of sodium atoms depending on size.

A
Cluster of $$10^3$$ atoms $$>$$ cluster of $$10^4$$ atoms $$>$$ Bulk sodium
B
Bulk sodium $$>$$ cluster of $$10^4$$ atoms $$>$$ Cluster of $$10^3$$ atoms
C
Cluster of $$10^4$$ atoms $$>$$ Cluster of $$10^3$$ atoms $$>$$ Bulk sodium
D
Bulk sodium $$>$$ cluster of $$10^3$$ atoms $$>$$ Cluster of $$10^4$$ atoms
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