- 1(current)
Q. No.An acidic buffer is obtained on mixing :
1. 100 mL of 0.1 M CH3COOH and 100 mL of 0.1 M NaOH.
2. 100 mL of 0.1 M HCl and 200 mL of 0.1 M NaCl.
3. 100 mL of 0.1 M HCl and 200 mL of 0.1 M CH3COONa.
4. 100 mL of 0.1 M CH3COOH and 200 mL of 0.1 M NaOH.
Subtopic: Â Buffer |
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JEE
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An aqueous solution of 1M NaCl and 1M HCl is :
1. not a buffer but pH < 7
2. not a buffer but pH >7
3. a buffer with pH <7
4. a buffer with pH >7
Subtopic: Â Buffer |
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From NCERT
JEE
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A 25 mL buffer solution is prepared by mixing CH3COOH of concentration 0.1 M and CH3COONa of concentration 0.01 M. If the pH of the solution is 5, then the pKa of CH3COOH is:
1. 4
2. 5
3. 6
4. 7
1. 4
2. 5
3. 6
4. 7
Subtopic: Â Buffer |
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From NCERT
JEE
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- 1(current)
Q. No.
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