1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following form an ideal solution?

I. Chloroethane and bromoethane

II. Benzene and toluene

III. $$n$$-hexane and $$n$$-heptane

IV. Phenol and aniline

A
I and II
B
I, II and III
C
II, III and IV
D
I and IV
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A solution containing 6.0 g of urea is isotonic with a solution containing 10 g of a non-electrolytic solute $$X$$. The molar mass of X (in g $$\mathrm{mol}^{-1}$$) is

A
50.0
B
100
C
75.0
D
68.0
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$x \%(w / V)$$ solution of urea is isotonic with $$4 \%$$ $$(w / V)$$ solution of a non-volatile solute of molar mass $$120 \mathrm{~g} \mathrm{~mol}^{-1}$$. The value of $$x$$ is

A
2
B
4
C
3
D
5
4
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

At $$T(\mathrm{~K}) \times \mathrm{g}$$ of a non-volatile solid (molar mass $$78 \mathrm{~g} \mathrm{~mol}^{-1}$$) when added to 0.5 kg water, lowered its freezing point by $$1.0^{\circ} \mathrm{C}$$. What is $$x$$ (in g)? ($$K_f$$ of water at $$T(\mathrm{~K})=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$)

A
10.48
B
20.96
C
41.92
D
5.24
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