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Q. No.It is found that 0.01 M solution of four sodium salts NaA, NaB, NaC and NaD have the following pH values :
(i) NaD = 10.0
(ii) NaC = 9.0
(iii) NaB = 8.0
(iv) NaA = 7.0
Which of the corresponding acids is strongest?
1. HA
2. HB
3. HC
4. HD
(i) NaD = 10.0
(ii) NaC = 9.0
(iii) NaB = 8.0
(iv) NaA = 7.0
Which of the corresponding acids is strongest?
1. HA
2. HB
3. HC
4. HD
Subtopic: Â Acids & Bases - Definitions & Classification |Â pH calculation |
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Level 1: 80%+
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Which of the following substances has the strongest acid, given their pH values:
A (9.5), B (2.5), C (3.5), and D (5.5)?
1. A
2. C
3. D
4. B
Subtopic: Â pH calculation |
 87%
Level 1: 80%+
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A solution has hydrogen ion concentration 0.0005 M, its pOH is:
1. 8.2798
2. 10.6990
3. 12.7854
4. 13.3344
Subtopic: Â pH calculation |
 86%
Level 1: 80%+
Hints
An aqueous solution has a pH value of 0. What can be inferred about the nature of this solution?
1. Slightly acidic
2. Strongly acidic
3. Neutral
4. Basic
Subtopic: Â pH calculation |
 84%
Level 1: 80%+
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The pH of the solution obtained by mixing 600 mL of 0.04 M HCl and 400 mL of 0.02 M H2SO4 is:
[log 4 = 0.6]
1. 3.4
2. 5.4
3. 1.4
4. 2.4
Subtopic: Â pH calculation |
 82%
Level 1: 80%+
JEE
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Q. No.
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