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1
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Identify the mixture that shows positive deviations from Raoult's Law

A
$$\left(\mathrm{CH}_3\right)_2 \mathrm{CO}+\mathrm{CS}_2$$
B
$$\left(\mathrm{CH}_3\right)_2 \mathrm{CO}+\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$$
C
$$\mathrm{CHCl}_3+\mathrm{C}_6 \mathrm{H}_6$$
D
$$\mathrm{CHCl}_3+\left(\mathrm{CH}_3\right)_2 \mathrm{CO}$$
2
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List - I (Technique) List - II (Application
(A) Distillation (I) Separation of glycerol from spent-lye
(B) Fractional distillation (II) Aniline - Water mixture
(C) Steam distillation (III) Separation of crude oil fractions
(D) Distillation under reduced pressure (IV) Chloroform - Aniline

Choose the correct answer from the options given below:

A
A-I, B-II, C-IV, D-III
B
A-II, B-III, C-I, D-IV
C
A-IV, B-I, C-II, D-III
D
A-IV, B-III, C-II, D-I
3
JEE Main 2024 (Online) 30th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The solution from the following with highest depression in freezing point/lowest freezing point is

A
$$180 \mathrm{~g}$$ of acetic acid dissolved in benzene
B
$$180 \mathrm{~g}$$ of acetic acid dissolved in water
C
$$180 \mathrm{~g}$$ of benzoic acid dissolved in benzene
D
$$180 \mathrm{~g}$$ of glucose dissolved in water
4
JEE Main 2024 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

What happens to freezing point of benzene when small quantity of napthalene is added to benzene?

A
Increases
B
Decreases
C
Remains unchanged
D
First decreases and then increases
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