MCQ
Which of the following mixtures forms an acid buffer
- A$NaOH + HCl$
- ✓$C{H_3}COOH + C{H_3}COONa$
- C$N{H_4}OH + N{H_4}Cl$
- D${H_2}C{O_3} + {(N{H_4})_2}C{O_3}$
✓
Answer
Correct option: B.
$C{H_3}COOH + C{H_3}COONa$
(b) An acid buffer solution consists of a weak acid and its salt with strong base. i.e. $C{H_3}COOH + C{H_3}COONa$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The species having no $p \pi - p \pi$ bond but has bond order equal to that of $O_2$
→Match List$-l$ with List$-ll$ :
→| List$-I$ (Oxoacids of Sulphur) | List$-II$ (Bonds) |
| $A$. Peroxodisulphuric acid | $I$. Two $S - OH$, Four $S = O$, One $S - O - S$ |
| $B$. Sulphuric acid | $II$. Two $S - OH$, One $S = O$ |
| $C$. Pyrosulphuric acid | $III$. Two $S - OH$, Four $S = O$, One $S - O - O - S$ |
| $D$. Sulphurous acid | $IV$. Two $S - OH$, Two $S = O$ |
Choose the correct answer from the options given below.
A white salt is readily soluble in water and gives a colourless solution with a $pH$ of about $ 9$. The salt would be
→A metal used in storage batteries is
The hybridisation present in ${C_2}{H_2}$ is
→Hydrogenation of the adjoining compound in the presence of poisoned palladium catalyst gives
Which of the following is a formula of methanides:
→$(a)$ $Be _{2} C$
$(b)$ $CaC _{2}$
$(c)$ $Mg _{2} C _{3}$
$(d)$ $Al _{4} C _{3}$
$pH$ value of a solution, whose hydronium ion concentration is $6.2 \times {10^{ - 9}}\,mol/\,l,$ is
→The number of $d$ electrons in $F{e^{ + 2}}$ (atomic number of $Fe = 26$) is not equal to that of the
→The main reduction product of the following compound with $NaBH_4$ in methanol is
→