MCQ
When $pH$ of a solution decreases, its hydrogen ion concentration
- ADecreases
- BIncreases
- ✓Rapidly increases
- DRemains always constant
✓
Answer
Correct option: C.
Rapidly increases
(c) $pH = - \log \,\,[{H^ + }]$
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 most stable canonical structure among the given structure is
Bond energy of covalent $O-H$ bond in water is
→The characteristic oxidation number of atoms in free metals is
The increasing order of the reactivity of the following compound in nucleophilic addition reaction is
Propanal, Benzaldehyde, Propanone, Butanone
Which of the following is a meso compound ?
Arrange leaving power of $Nu^r$ group in decreasing order
→$(I)$ $\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O - S - {C_6}{H_4} - C{H_3}} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}\,$ $(II)$ $\begin{array}{*{20}{c}} {O\,\,\,\,\,\,\,} \\ {||\,\,\,\,\,\,\,} \\ {O - S - {C_6}{H_5}} \\ {||\,\,\,\,\,\,\,} \\ {O\,\,\,\,\,\,\,} \end{array}\,$$(III)$ $N_3$ $(IV)$ $Br$
Which compound would give 3-methyl-6oxoheptanal upon ozonolysis ?
Replacement of $Cl$ of chlorobenzene to give phenol requires drastic conditions but chlorine of $2, 4-$ dinitrochlorobenzene is readily replaced because
→Heat treatment of muscular pain involves radiation of wavelength of about $900\,nm.$ Which spectral line of $H -$ atom is suitable for this purpose?
→$[{R_H} = 1 \times {10^5}\,c{m^{ - 1}},\,h\, = 6.6\, \times {10^{ - 34}}\,Js\,\,c = 3\, \times \,{10^8}\,m{s^{ - 1}}]$
Most stable conformation of $n-$ butane is
→