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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(image) $\mathop {\xrightarrow{{CHC{l_3}/KOH}}}\limits_{heat} $ Intermediate $\mathop {\xrightarrow{{HCl}}}\limits_{300\,K} $ $X$

$(A)$ Enzymes are biocatalysts.
$(B)$ Enzymes are non-specific and can catalyse different kinds of reactions.
$(C)$ Most Enzymes are globular proteins.
$(D)$ Enzyme - oxidase catalyses the hydrolysis of maltose into glucose.
Choose the correct answer from the option given below:
$A.$ Phenol $B.$ Cresol
$C.\, m-$ Nitrophenol $D.\, p-$ Nitrophenol