Which of the following may be added to one litre of water to act as a buffer?
- A$1 \text{ mole of } HC_2H_3O_2 \text{ and } 0.5 \text{ mole of } NaOH$
- B$1 \text{ mole of } NH_4Cl \text{ and } 1 \text{ mole of } HCl$
- C$1 \text{ mole of } NH_4OH \text{ and } 1 \text{ mole of } NaOH$
- D$1 \text{ mole of } HC_2H_3O_2 \text{ and } 1 \text{ mole of } HCl$
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Similar Questions
In which of the following combinations is buffer action expected?
$1$. $NH_3 + NH_4Cl$
$2$. $HCl + NaCl$
$3$. $NH_3 + HCl$ in $2 : 1$ mole ratio
Select the correct answer using the code given below.
$1$. $NH_3 + NH_4Cl$
$2$. $HCl + NaCl$
$3$. $NH_3 + HCl$ in $2 : 1$ mole ratio
Select the correct answer using the code given below.
Medium
View SolutionThe $K_a$ of $CH_3COOH$ is $1.8 \times 10^{-5}$. How many grams of $CH_3COONa$ are required in $0.1 \ M \ CH_3COOH$ to form a solution having $pH = 4.0$? (Molecular mass of $CH_3COONa = 82 \ g \ mol^{-1}$)
Difficult
View SolutionThe $pH$ of a buffer solution decreases by $0.02$ units when $0.12 \ g$ of acetic acid is added to $250 \ mL$ of a buffer solution of acetic acid and potassium acetate at $27^{\circ} C$. The buffer capacity of the solution is
DifficultTS EAMCET 2009
View SolutionWhen $1.0 \ mL$ of dilute $HCl$ acid is added to $100 \ mL$ of a buffer solution with $pH = 4.0$,what will be the resulting $pH$ of the solution?
Medium
View SolutionOne litre buffer solution was prepared by adding $0.10 \ mol$ each of $NH_3$ and $NH_4Cl$ in deionised water. The change in $pH$ on addition of $0.05 \ mol$ of $HCl$ to the above solution is $............ \times 10^{-2}$ ($Nearest$ $integer$) ($Given$: $pK_b$ of $NH_3 = 4.745$ and $\log_{10} 3 = 0.477$)
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