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1
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
2
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molar mass of an element having density $$21 \mathrm{~g} \mathrm{~cm}^{-3}$$ that forms fcc unit cell $$\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=36 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$$

A
$$292.00 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$189.00 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$140.00 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$108.00 \mathrm{~g} \mathrm{~mol}^{-1}$$
3
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following metal has ccp crystal structure?

A
$$\mathrm{Cu}$$
B
$$\mathrm{Zn}$$
C
$$\mathrm{Mg}$$
D
$$\mathrm{Po}$$
4
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Find the radius of metal atom in simple cubic unit cell having edge length 334.7 pm?

A
$$167.35 \mathrm{~pm}$$
B
$$334.70 \mathrm{~pm}$$
C
$$144.93 \mathrm{~pm}$$
D
$$118.32 \mathrm{~pm}$$
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