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

A solution of nonvolatile solute is obtained by dissolving $$3.5 \mathrm{~g}$$ in $$100 \mathrm{~g}$$ solvent has boiling point elevation $$0.35 \mathrm{~K}$$. Calculate the molar mass of solute.

(Molal elevation constant $$=2.5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$ )

A
$$270 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$260 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$250 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$240 \mathrm{~g} \mathrm{~mol}^{-1}$$
2
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

At $$0{ }^{\circ} \mathrm{C}$$ a gas occupies 22.4 liters. What is the temperature in Kelvin to reach the volume of 224 liters?

A
$$546 \mathrm{~K}$$
B
$$273 \mathrm{~K}$$
C
$$2730 \mathrm{~K}$$
D
$$5460 \mathrm{~K}$$
3
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following rule / principle states that "No two electrons in an atom can have the same set of four quantum numbers"?

A
Pauli's exclusion principle
B
Hund's rule
C
Aufbau rule
D
Heisenberg uncertainty principle
4
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following molecules exhibits highest acidic nature?

A
$$\mathrm{H}_2 \mathrm{O}$$
B
$$\mathrm{H}_2 \mathrm{S}$$
C
$$\mathrm{H}_2 \mathrm{Se}$$
D
$$\mathrm{H}_2 \mathrm{Te}$$
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