1
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is molar mass of metal with BCC structure having density 10 g cm$$^{-3}$$ and edge length 200 pm?

A
90.2 g mol$$^{-1}$$
B
24.1 g mol$$^{-1}$$
C
48.0 g mol$$^{-1}$$
D
60.5 g mol$$^{-1}$$
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate difference between $$\Delta \mathrm{H}$$ and $$\Delta \mathrm{U}$$ for following reaction at $$25^{\circ} \mathrm{C}$$ ?

$$\mathrm{C}_2 \mathrm{H}_{6(\mathrm{~g})}+3.5 \mathrm{O}_2 \rightarrow 2 \mathrm{CO}_{2(\mathrm{~g})}+3 \mathrm{H}_2 \mathrm{O}_{(l)}\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$$

A
$$-9.3 \mathrm{~kJ}$$
B
$$-3.1 \mathrm{~kJ}$$
C
$$-6.2 \mathrm{~kJ}$$
D
$$-16.10 \mathrm{~kJ}$$
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is cryoscopic constant of water if $$5 \mathrm{~g}$$ of glucose in $$100 \mathrm{~g}$$ of water has depression in freezing point $$2.15 \mathrm{~K}$$ ? (Molar mass of glucose $$=180$$ )

A
$$7.74 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}{ }^{-1}$$
B
$$0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$
C
$$1.32 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$
D
$$3.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following pairs of alkenes is an example of position isomers?

A
But-1-ene and 2-methylprop-1-ene
B
But-1-ene and 2-methylbut-1-ene
C
But-1-ene and but-2-ene
D
But-2-ene and 2-methylprop-1-ene
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