MCQ
A buffer solution is a solution whose pH value on keeping in the air:
- AIncreases rapidly.
- BDecreases rapidly.
- CMay increase or decrease.
- DDoes not change.
✓
Answer
- Does not change.
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 tautorner of $II$ is
→Ionic reactions with organic compounds proceed through:
→$(A)$ Homolytic bond cleavage
$(B)$ Heterolytic bond cleavage
$(C)$ Free radical formation
$(D)$ Primary free radical
$(E)$ Secondary free radical
Choose the correct answer from the options given below:
tolune $\xrightarrow[\Delta ]{{K{M_n}{O_4}}}X\xrightarrow{{B{r_2}/{H_2}O}}Y;\,Y$ is
→The heat of combustion of carbon to $C{O_2}$ is $ - 393.5\,kJ/mol$. The heat released upon formation of $35.2\, g $ of $C{O_2}$ from carbon and oxygen gas is .....$kJ$
→Which one of the following objects is ‘achiral’
Given
→$(i)$ $\begin{gathered}
HCN\left( {aq} \right) + {H_2}O\left( l \right) \rightleftharpoons {H_3}{O^ + }\left( {aq} \right) + C{N^ - }\left( {aq} \right) \hfill \\
{K_a} = 6.2 \times {10^{ - 10}} \hfill \\
\end{gathered} $
$(ii)$ $\begin{gathered}
C{N^ - }\left( {aq} \right) + {H_2}O\left( l \right) \rightleftharpoons HCN\left( {aq} \right) + O{H^ - }\left( {aq} \right) \hfill \\
{K_b} = 1.6 \times {10^{ - 5}} \hfill \\
\end{gathered} $
These equilibria show the following order of the relative base strength
In Which of the following process nitrogen undergoes in oxidation process
Product $(A)$ is
→A compound ‘$X$’ on ozonolysis forms two molecules of $HCHO$. Compound ‘$X$’ is
→The most common oxidation state of an element is $-2.$ The number of electrons present in its outermost shell is
→