1
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the molality of solution of a non-volatile solute having boiling point elevation $$7.15 \mathrm{~K}$$ and molal elevation constant $$2.75 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$ ?

A
3.2 m
B
2.0 m
C
2.6 m
D
3.8 m
2
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following salts exhibits inverse relation between it's solubility and temperature?

A
$$\mathrm{NaBr}$$
B
$$\mathrm{NaNO}_3$$
C
$$\mathrm{KNO}_3$$
D
$$\mathrm{Na}_2 \mathrm{SO}_4$$
3
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$0.01 \mathrm{~m}$$ aqueous solution of an electrolyte freezes at $$-0.056 \mathrm{~K}$$. Calculate van't Hoff factor for an electrolyte (cryoscopic constant of water $$=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$ )

A
1.30
B
2.33
C
3.00
D
4.11
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate van't Hoff factor of $$\mathrm{K}_2 \mathrm{SO}_4$$ if $$0.1 \mathrm{~m}$$ aqueous solution of $$\mathrm{K}_2 \mathrm{SO}_4$$ freezes at $$-0.43{ }^{\circ} \mathrm{C}$$ and cryoscopic constant of water is $$1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$.

A
2.3
B
2.7
C
3.1
D
3.5
MHT CET Subjects
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