Buffer Solutions
CHXI07:EQUILIBRIUM

314505 A solution which is resistant to change of pH on addition of small amount of an acid or base is known as

1 buffer solution
2 true solution
3 isohydric solution
4 ideal solution.
CHXI07:EQUILIBRIUM

314506 In some solutions, the concentration of \(\mathrm{H}_{3} \mathrm{O}^{+}\)remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

1 Ideal solutions
2 Colloidal solutions
3 True solutions
4 Buffer solutions
CHXI07:EQUILIBRIUM

314507 Which can act as buffer?

1 \(\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{HCl}\)
2 \(\mathrm{CH}_{3} \mathrm{COOH}+\mathrm{H}_{2} \mathrm{CO}_{3}\)
3 \({\text{40 ml of 0}}{\text{.1 N NaCN + 20 ml of 0}}{\text{.1 M HCN}}\)
4 \(\mathrm{NaCl}+\mathrm{NaOH}\)
CHXI07:EQUILIBRIUM

314508 Which of the following pairs constitutes a buffer?

1 \(\mathrm{HNO}_{3}\) and \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{HCl}\) and \(\mathrm{KCl}\)
3 \(\mathrm{HNO}_{2}\) and \(\mathrm{NaNO}_{2}\)
4 \(\mathrm{NaOH}\) and \(\mathrm{NaCl}\)
CHXI07:EQUILIBRIUM

314509 An example for a neutral buffer is

1 ammonium hydroxide and ammonium chloride
2 acetic acid and sodium acetate
3 acetic acid and ammonium hydroxide
4 citric acid and sodium citrate
CHXI07:EQUILIBRIUM

314505 A solution which is resistant to change of pH on addition of small amount of an acid or base is known as

1 buffer solution
2 true solution
3 isohydric solution
4 ideal solution.
CHXI07:EQUILIBRIUM

314506 In some solutions, the concentration of \(\mathrm{H}_{3} \mathrm{O}^{+}\)remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

1 Ideal solutions
2 Colloidal solutions
3 True solutions
4 Buffer solutions
CHXI07:EQUILIBRIUM

314507 Which can act as buffer?

1 \(\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{HCl}\)
2 \(\mathrm{CH}_{3} \mathrm{COOH}+\mathrm{H}_{2} \mathrm{CO}_{3}\)
3 \({\text{40 ml of 0}}{\text{.1 N NaCN + 20 ml of 0}}{\text{.1 M HCN}}\)
4 \(\mathrm{NaCl}+\mathrm{NaOH}\)
CHXI07:EQUILIBRIUM

314508 Which of the following pairs constitutes a buffer?

1 \(\mathrm{HNO}_{3}\) and \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{HCl}\) and \(\mathrm{KCl}\)
3 \(\mathrm{HNO}_{2}\) and \(\mathrm{NaNO}_{2}\)
4 \(\mathrm{NaOH}\) and \(\mathrm{NaCl}\)
CHXI07:EQUILIBRIUM

314509 An example for a neutral buffer is

1 ammonium hydroxide and ammonium chloride
2 acetic acid and sodium acetate
3 acetic acid and ammonium hydroxide
4 citric acid and sodium citrate
CHXI07:EQUILIBRIUM

314505 A solution which is resistant to change of pH on addition of small amount of an acid or base is known as

1 buffer solution
2 true solution
3 isohydric solution
4 ideal solution.
CHXI07:EQUILIBRIUM

314506 In some solutions, the concentration of \(\mathrm{H}_{3} \mathrm{O}^{+}\)remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

1 Ideal solutions
2 Colloidal solutions
3 True solutions
4 Buffer solutions
CHXI07:EQUILIBRIUM

314507 Which can act as buffer?

1 \(\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{HCl}\)
2 \(\mathrm{CH}_{3} \mathrm{COOH}+\mathrm{H}_{2} \mathrm{CO}_{3}\)
3 \({\text{40 ml of 0}}{\text{.1 N NaCN + 20 ml of 0}}{\text{.1 M HCN}}\)
4 \(\mathrm{NaCl}+\mathrm{NaOH}\)
CHXI07:EQUILIBRIUM

314508 Which of the following pairs constitutes a buffer?

1 \(\mathrm{HNO}_{3}\) and \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{HCl}\) and \(\mathrm{KCl}\)
3 \(\mathrm{HNO}_{2}\) and \(\mathrm{NaNO}_{2}\)
4 \(\mathrm{NaOH}\) and \(\mathrm{NaCl}\)
CHXI07:EQUILIBRIUM

314509 An example for a neutral buffer is

1 ammonium hydroxide and ammonium chloride
2 acetic acid and sodium acetate
3 acetic acid and ammonium hydroxide
4 citric acid and sodium citrate
CHXI07:EQUILIBRIUM

314505 A solution which is resistant to change of pH on addition of small amount of an acid or base is known as

1 buffer solution
2 true solution
3 isohydric solution
4 ideal solution.
CHXI07:EQUILIBRIUM

314506 In some solutions, the concentration of \(\mathrm{H}_{3} \mathrm{O}^{+}\)remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

1 Ideal solutions
2 Colloidal solutions
3 True solutions
4 Buffer solutions
CHXI07:EQUILIBRIUM

314507 Which can act as buffer?

1 \(\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{HCl}\)
2 \(\mathrm{CH}_{3} \mathrm{COOH}+\mathrm{H}_{2} \mathrm{CO}_{3}\)
3 \({\text{40 ml of 0}}{\text{.1 N NaCN + 20 ml of 0}}{\text{.1 M HCN}}\)
4 \(\mathrm{NaCl}+\mathrm{NaOH}\)
CHXI07:EQUILIBRIUM

314508 Which of the following pairs constitutes a buffer?

1 \(\mathrm{HNO}_{3}\) and \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{HCl}\) and \(\mathrm{KCl}\)
3 \(\mathrm{HNO}_{2}\) and \(\mathrm{NaNO}_{2}\)
4 \(\mathrm{NaOH}\) and \(\mathrm{NaCl}\)
CHXI07:EQUILIBRIUM

314509 An example for a neutral buffer is

1 ammonium hydroxide and ammonium chloride
2 acetic acid and sodium acetate
3 acetic acid and ammonium hydroxide
4 citric acid and sodium citrate
CHXI07:EQUILIBRIUM

314505 A solution which is resistant to change of pH on addition of small amount of an acid or base is known as

1 buffer solution
2 true solution
3 isohydric solution
4 ideal solution.
CHXI07:EQUILIBRIUM

314506 In some solutions, the concentration of \(\mathrm{H}_{3} \mathrm{O}^{+}\)remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

1 Ideal solutions
2 Colloidal solutions
3 True solutions
4 Buffer solutions
CHXI07:EQUILIBRIUM

314507 Which can act as buffer?

1 \(\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{HCl}\)
2 \(\mathrm{CH}_{3} \mathrm{COOH}+\mathrm{H}_{2} \mathrm{CO}_{3}\)
3 \({\text{40 ml of 0}}{\text{.1 N NaCN + 20 ml of 0}}{\text{.1 M HCN}}\)
4 \(\mathrm{NaCl}+\mathrm{NaOH}\)
CHXI07:EQUILIBRIUM

314508 Which of the following pairs constitutes a buffer?

1 \(\mathrm{HNO}_{3}\) and \(\mathrm{NH}_{4} \mathrm{CN}\)
2 \(\mathrm{HCl}\) and \(\mathrm{KCl}\)
3 \(\mathrm{HNO}_{2}\) and \(\mathrm{NaNO}_{2}\)
4 \(\mathrm{NaOH}\) and \(\mathrm{NaCl}\)
CHXI07:EQUILIBRIUM

314509 An example for a neutral buffer is

1 ammonium hydroxide and ammonium chloride
2 acetic acid and sodium acetate
3 acetic acid and ammonium hydroxide
4 citric acid and sodium citrate