MCQ
The $pH$ of a ${10^{ - 10}}\,M\,NaOH$ solution is nearest to
- A$10$
- ✓$7$
- C$4$
- D$ - 10$
✓
Answer
Correct option: B.
$7$
(b)$NaOH$ is a base, so that its $pH > 7$
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 electronegativity of the following elements increases in the order
The precipitation occurs if ionic concentration is
Molecular $AB$ has a bond length of $1.61\,\mathop A\limits^o $ and a dipole moment of $0.38\, D$. The fractional charge on each atom (absolute magnitude) is $(e_0\, = 4.802\times10^{-10}\, esu)$
→Which of the following can act both as Bronsted acid and Bronsted base
Match the compounds given in $column\, I$ with the hybridisation and shape given in $column\, II$ and mark the correct option.
→$\begin{array}{|l|l|} \hline Column\,\,I & Column\,\,II \\ \hline (A)\,XeF_6 & (i)\,\,distortedoctahedral \\ \hline (B)\,XeO_3 & (ii)\,\,square\,\,planar \\ \hline (C)\,XeOF_4 & (iii)\,\,pyramidal \\ \hline (D)\,XeF_4 & (iv)\,\,square\,\,pyramidal \\ \hline \end{array}$
Reagent($s$) which can be used to bring about the following transformation is(are)
→($A$) $\mathrm{LiAlH}_4$ in $\left(\mathrm{C}_2 \mathrm{H}_5\right)_2 \mathrm{O}$
($B$) $\mathrm{BH}_3$ in $THF$
($C$) $\mathrm{NaBH}_4$ in $\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$
($D$) Raney $\mathrm{Ni} / \mathrm{H}_2$ in $\mathrm{THF}$
Which of the following reagent is used to distinguish propene and propyne
The number of neutrons present in the more abundant isotope of boron is ' $\mathrm{x}$ '. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is ' $y$ '. The value of $x+y$ is ...
→Which of the following statements best describes the stereochemical relationships of compound $I, II$ and $III$ shown below ?
→Trunbull's blue is a compound