1
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$\text { If a compound } \mathrm{X}_3 \mathrm{Y} \text { is } 60 \% \text { ionised in aqueous medium, what is its van't Hoff factor value? }$$

A
3.1
B
0.8
C
0.6
D
2.8
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

COMEDK 2024 Morning Shift Chemistry - Liquid Solution Question 5 English

Above figure represents Vapour pressure versus Temperature graphs of 2 pure volatile liquids and a solution formed by the 2 liquids.

(i) Which curve represents the solution?

(ii) Which curve represents the liquid with the strongest intermolecular forces of attraction?

A
(i) B (ii) C
B
(i) A (ii) C
C
(i) C (ii) A
D
(i) B (ii) A
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The boiling point of a $$4 \%$$ aqueous solution of a non-volatile solute $$\mathrm{P}$$ is equal to the boiling point of $$\mathrm{X} \%$$ solution of another non-volatile solute $$\mathrm{Q}$$. The relation between their Molar masses is $$\mathrm{M}_{\mathrm{Q}}=4 \mathrm{~Mp}$$. What is $$\mathrm{X}$$ ?

A
8.01
B
14.29
C
15.39
D
16.01
4
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is incorrect regarding Henry's law?

A
Gas reacts with solvent chemically.
B
Pressure and concentrations are not too high.
C
Temperature is not too low.
D
Gas does not change its molecular state in solution i.e., neither dissociates nor associates.
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