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  • 1(current)
Q. No.

On the basis of the information given below mark the correct option.

Information

i. In bromoethane and chloroethane mixture intermolecular interactions of A—A and B—B type are nearly the same as A—B type interactions.
ii. In ethanol and acetone mixture A—A or B—B type intermolecular interactions are stronger than  A—B type interactions.
iii. In chloroform and acetone mixture A—A or B—B type intermolecular interactions are weaker than A—B type interactions.

1.  Solution (ii) and (iii) will follow Raoult’s law

2.  Solution (i) will follow Raoult’s law

3.  Solution (ii) will show negative deviation from Raoult’s law

4.  Solution (iii) will show positive deviation from Raoult’s law

Subtopic:  Azeotrope | Raoult's Law |
 83%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Information: Some hydrogen bonds between methanol molecules are disrupted after adding acetone to methanol.
Select the appropriate option:

1.  At specific compositions, a methanol-acetone mixture will form a minimum boiling azeotrope and show a positive deviation from Raoult’s law.
2. At specific compositions, a methanol-acetone mixture will form a maximum boiling azeotrope and show a positive deviation from Raoult’s law.
3. At specific compositions, a methanol-acetone mixture will form a minimum boiling azeotrope and show a negative deviation from Raoult’s law.
4. At specific compositions, a methanol-acetone mixture will form maximum boiling azeotrope and show a negative deviation from Raoult’s law.

Subtopic:  Azeotrope | Raoult's Law |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

For a binary ideal liquid solution, the curve that represents the variation in total vapor pressure versus composition of the solution is:

a.  b.
c. d.

The correct option is:

1. a and b 2. b and c
3. c and d 4. a and d
Subtopic:  Raoult's Law |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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Select the correct option based on statements below:

Assertion (A): When methyl alcohol is added to water, boiling point of water increases.
Reason (R): When a volatile solute is added to a volatile solvent, elevation in boiling point is observed.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Elevation of Boiling Point | Raoult's Law |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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