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For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these?
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For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , th...
A IS STRONGER THAN B.....BCZ HIGHER THE PKA VALUE LOWER WILL BE THE ACIDIC STRENGTH
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For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , th...
Introduction:
The pKa value is a measure of the acidity of an acid. It represents the negative logarithm of the acid dissociation constant (Ka), which is a measure of the extent to which an acid donates a proton in a solution. A lower pKa value indicates a stronger acid, while a higher pKa value indicates a weaker acid.
Explanation:
In this scenario, we have two acids, A and B, with pKa1 = 1.2 and pKa2 = 2.8 respectively. Let's analyze the given information to determine the relative acidity of A and B.
1. Comparison of pKa1:
The pKa1 value represents the dissociation of the first proton from the acid molecule. Since the pKa1 value of A (1.2) is lower than that of B (2.8), we can conclude that acid A is stronger than acid B with respect to the first proton dissociation.
2. Comparison of pKa2:
The pKa2 value represents the dissociation of the second proton from the acid molecule. However, since only acid B has a pKa2 value, we cannot directly compare the strength of A and B with respect to the second proton dissociation.
Conclusion:
Based on the provided information, we can conclude that acid A is stronger than acid B with respect to the first proton dissociation. However, we cannot make any conclusion about the relative strength of A and B with respect to the second proton dissociation (pKa2). Therefore, the correct answer is option 2: A is stronger than B.
The pKa value is a measure of the acidity of an acid. It represents the negative logarithm of the acid dissociation constant (Ka), which is a measure of the extent to which an acid donates a proton in a solution. A lower pKa value indicates a stronger acid, while a higher pKa value indicates a weaker acid.
Explanation:
In this scenario, we have two acids, A and B, with pKa1 = 1.2 and pKa2 = 2.8 respectively. Let's analyze the given information to determine the relative acidity of A and B.
1. Comparison of pKa1:
The pKa1 value represents the dissociation of the first proton from the acid molecule. Since the pKa1 value of A (1.2) is lower than that of B (2.8), we can conclude that acid A is stronger than acid B with respect to the first proton dissociation.
2. Comparison of pKa2:
The pKa2 value represents the dissociation of the second proton from the acid molecule. However, since only acid B has a pKa2 value, we cannot directly compare the strength of A and B with respect to the second proton dissociation.
Conclusion:
Based on the provided information, we can conclude that acid A is stronger than acid B with respect to the first proton dissociation. However, we cannot make any conclusion about the relative strength of A and B with respect to the second proton dissociation (pKa2). Therefore, the correct answer is option 2: A is stronger than B.
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For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these?
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For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these?.
For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For two acids A and B , pKa1= 1.2, pKa2=2.8 respectively in value , then which is true 1 . A and B both are equally acidic 2 . A is stronger than B 3 . B is stronger than A 4 . None of these?.
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