MCQ
An aqueous solution whose $pH = 0$ is
- AAlkaline
- ✓Acidic
- CNeutral
- DAmphoteric
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| List-$I$ (Elements) | List-$II$(Properties in their respective groups) |
| $A$ $\mathrm{Cl}, \mathrm{S}$ | $I$ Elements with highest electronegativity |
| $B$ $\mathrm{Ge}, \mathrm{As}$ | $II$ Elements with largest atomic size |
| $C$ $\mathrm{Fr}, \mathrm{Ra}$ | $III$ Elements which show properties of both metals and non metal |
| $D$ $\mathrm{F}, \mathrm{O}$ | $IV$ Elements with highest negative electron gain enthalpy |
Choose the correct answer from the options given below :
| Column $-I$ | Column $-II$ |
| $(A)$ Ionisation potential | $(P)$ $O < F < N$ |
| $(B)$ Electronegativity | $(Q)$ $N < O < F$ |
| $(C)$ $Z_{eff}$ | $(R)$ $O < N < F$ |
| $(D)$ Electron affinity | $(S)$ $N < C< O$ |
|
Cities
|
Shimla
|
Bengaluru
|
Delhi
|
Mumbai
|
|
$p$ in $N/ m^2$
|
$1.01 \times 10^5$
|
$1.2 \times 10^5$
|
$1.02 \times 10^5$
|
$1.21 \times 10^5$ |
$\left[\right.$ Use $: \mathrm{H}^{+}(\mathrm{aq})+\mathrm{OH}^{-}(\mathrm{aq}) \rightarrow \mathrm{H}_{2} \mathrm{O}: \Delta_{\mathrm{\gamma}} \mathrm{H}=-57.1\, \mathrm{k} \mathrm{J} \,\mathrm{mol}^{-1}$
Specific heat of $\mathrm{H}_{2} \mathrm{O}=4.18 \mathrm{Jk}^{-} \mathrm{g}^{-}$
density of $\mathrm{H}_{2} \mathrm{O}=1.0\, \mathrm{~g} \mathrm{~cm}^{-3}$
Assume no change in volume of solution on mixing.]