Assertion (A): 0.1 M solution of glucose has the same decrement in the freezing point as 0.1 M solution of urea.
Reason (R): Kf for both has the same value.
 
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 and (R) is False.
4. (A) and (R) both are False.
Subtopic:  Depression of Freezing Point |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Assertion(A): The addition of ethylene glycol to water lowers the freezing point of water, therefore, it is used as an antifreeze substance.
Reason(R): Ethylene glycol is soluble in water.

1. Both A and R are correct and R is the correct explanation of A.
2. Both A and R are correct but R is not the correct explanation of A.
3. A is true and R is false.
4. A is false and R is true.
Subtopic:  Depression of Freezing Point |
 54%
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


Match the following physical constants in Column I to their correct units given in Column II : 
Column I Column II
A. Rate constant (k) of a second-order reaction I. m3mol-1
B. Cryoscopic constant (Kf) II. mol-1L s-1
C. Van der Waals constant (b) III. No units
D. Compressibility factor (Z)  IV. kg K mol-1

Choose the correct answer from the options given below : 
 
Options: (A) (B) (C) (D)
1. II IV I III
2. III IV II I
3. II III IV I
4. IV I II III
Subtopic:  Depression of Freezing Point |
 82%
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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