MCQ
Correct order of nucleophilicity for $SN^2$ reaction
- A$\bar OH > {H_2}O > C{H_3}CO{O^ - }$
- ✓$\bar OH > C{H_3}CO{O^ - } > {H_2}O$
- C${H_2}O > C{H_3}CO{O^ - } > \bar OH$
- D${H_2}O = \bar OH = C{H_3}CO{O^ - }$
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${C_2}{H_5}OH + SOC{l_2}\xrightarrow{{{\text{Pyridine}}}}{C_2}{H_5}Cl + S{O_2} + HCl$
$\mathrm{M}\left|\mathrm{M}^{2+}\right||\mathrm{X}| \mathrm{X}^{2-}$
If $\mathrm{E}_{\left(\mathrm{M}^{2+} / \mathrm{M}\right)}^0=0.46 \mathrm{~V}$ and $\mathrm{E}_{\left(\mathrm{x} / \mathrm{X}^{2-}\right)}^0=0.34 \mathrm{~V}$.
Which of the following is correct?