Given below are two statements:
Assertion (A): | A solution containing a mixture of acetic acid and sodium acetate maintains a constant value of pH on the addition of small amounts of acid or alkali. |
Reason (R): | A solution containing a mixture of acetic acid and sodium acetate acts as a buffer solution. |
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. | (A) is False but (R) is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe pKa of HCN is 9.30. The pH of a solution prepared by mixing 2.5 moles of KCN and 2.5 moles of HCN in water and making up the total volume to 500 ml will be:
1. | 9.30 | 2. | 8.30 |
3. | 7.30 | 4. | 10.30 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the pH of an acidic buffer is 5.7 and is 5 then the ratio of will be:
1. | 3 | 2. | 4 |
3. | 5 | 4. | 6 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn acid buffer solution can be prepared by mixing the solutions of:
1. Sodium chloride and sodium hydroxide
2. Sulphuric acid and sodium sulphate
3. Ammonium chloride and ammonium nitrate
4. Ammonium acetate and acetic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe concentration of ion in a solution containing 0.1 M HCN and 0.2 M NaCN will be:
( for HCN = )
1. 3.1
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology