MCQ
Correct $IUPAC$ name of following compound is


- ABut-$3$-en-$2$-ol
- BButan-$2$-ol
- CBut-$2$-en-$2$-ol
- ✓But-$1$-en-$3$-ol

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$S{O_2} + \frac{1}{2}{O_2} \to S{O_3}$
| Column $I$ | Column $II$ |
| $(A)$ $CH_3COONa$ | $(i)$ Almost neutral, $pH > 7$ or $< 7$ |
| $(B)$ $NH_4Cl$ | $(ii)$ Acidic, $pH < 7$ |
| $(C)$ $NaNO_3$ | $(iii)$ Alkaline, $pH > 7$ |
| $(D)$ $CH_3COONH_4$ | $(iv)$ Neutral, $pH = 7$ |
