MCQ
The $pH$ of millimolar $HCl$ is
- A$1$
- ✓$3$
- C$2$
- D$4$
✓
Answer
Correct option: B.
$3$
(b)$pH = \log \frac{1}{{{H^ + }}}$; $pH = \log \frac{1}{{{{10}^{ - 3}}}}$; $pH = 3$.
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
Lattice energy of an ionic compound depends upon
Which has maximum bond angle
Which of the following compounds will absorb the maximum quantity of heat when dissolved in the same amount of water ? The heats of solution of these compounds at ${25\,^o}C$ in $ kJ/mole$ of each solute is given in brackets
→The number and type of bonds between two carbon atoms in calcium carbide are
Which of the following practices will not come under green chemistry?
Consider the following compounds/species:
→The number of compounds/species which obey Huckel's rule is $..........$
Internal energy is an example of
Choose the chain terminating step
→(1)${H_2} \to {H^ \bullet } + {H^ \bullet }$
(2)$B{r_2} \to B{r^ \bullet } + B{r^ \bullet }$
(3)$B{r^ \bullet } + HBr \to {H^ \bullet } + B{r_2}$
(4)${H^ \bullet } + B{r_2} \to HBr + B{r^ \bullet }$
(5)$B{r^ \bullet } + B{r^ \bullet } \to B{r_2}$
One mole of $1,2$ -dibromopropane on treatment with $X \,moles$ of $NaNH_2$ followed by treatment with ethyl bromide gave a pentyne. The value of $X$ is
→To which block is related an element having electronic configuration $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}3{d^{10}}4{s^1}$ in the periodic table
→