Match the following acids with their respective $pK_a$ values:
Acid $pK_a$ $(i)$ Phenol $a. 10$ $(ii)$ $p-$Nitrophenol $b. 7.1$ $(iii)$ Ethyl alcohol $c. 16$ $(iv)$ Picric acid $d. 0.78$
| Acid | $pK_a$ |
| $(i)$ Phenol | $a. 10$ |
| $(ii)$ $p-$Nitrophenol | $b. 7.1$ |
| $(iii)$ Ethyl alcohol | $c. 16$ |
| $(iv)$ Picric acid | $d. 0.78$ |
- A$i-c, ii-d, iii-a, iv-b$
- B$i-a, ii-b, iii-c, iv-d$
- C$i-b, ii-a, iii-d, iv-c$
- D$i-d, ii-c, iii-b, iv-a$
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