MCQ
Geometrical isomerism is shown by
- ✓$2-$butene
- B$2-$butyne
- C$2-$butanol
- DButanal
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$S{e_2}C{l_2} \to Se + A$
Choose $CORRECT$ option

| 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, $pH = 7$ |