Which of the following mixtures in water acts as a buffer?
- AAcetic acid and sodium acetate
- BAcetic acid and ammonium chloride
- CAmmonium hydroxide and sodium chloride
- DFormic acid and acetic acid
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Similar Questions
Calculate $pH$ of the solution obtained by mixing $50 \ mL$ of $0.2 \ M$ $NH_4Cl$ solution and $75 \ mL$ of $0.1 \ M$ $NaOH$ solution. Given $pK_b$ for aqueous $NH_3$ is $4.74$.
Medium
View SolutionStudy the following table:
Buffer Solution Volume (in $mL$) of $0.1 \ M$ Weak acid Volume (in $mL$) of $0.1 \ M$ sodium salt of weak acid $I$ $4.0$ $4.0$ $II$ $4.0$ $40.0$ $III$ $40.0$ $4.0$ $IV$ $0.1$ $10.0$
Which of the two sets of buffer solutions have the least $pH$?
| Buffer Solution | Volume (in $mL$) of $0.1 \ M$ Weak acid | Volume (in $mL$) of $0.1 \ M$ sodium salt of weak acid |
|---|---|---|
| $I$ | $4.0$ | $4.0$ |
| $II$ | $4.0$ | $40.0$ |
| $III$ | $40.0$ | $4.0$ |
| $IV$ | $0.1$ | $10.0$ |
Which of the two sets of buffer solutions have the least $pH$?
DifficultTS EAMCET 2004
View SolutionThe $pKa$ of a weak acid $HA$ is $4.5$. The $pOH$ of an aqueous buffer solution in which the acid $HA$ is $50\%$ ionized is:
Medium
View SolutionWhat are buffer solutions? Explain types of buffer solutions with examples.
The buffering action of a mixture of $CH_3COOH$ and $CH_3COONa$ is maximum when the ratio of salt to acid is equal to .......?
Medium
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