MCQ
The metal-having highest melting point is
- AChromium
- ✓Tungston
- CDiamond
- DSilver
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${{C}_{6}}{{H}_{5}}OH\xrightarrow{NaOH}(A)$ $\mathop {\xrightarrow{{\;C{O_2}\;\;\;\;\;\;\;\;\;\;\;\;}}}\limits_{140\,^oC,\;(4 - 7\,)} (B)$ $\xrightarrow{{HCl}}(C),$
Statement $I :$ The esterification of carboxylic acid with an alcohol is a nucleophilic acyl substitution.
Statement $II :$ Electron withdrawing groups in the carboxylic acid will increase the rate of esterification reaction.
Choose the most appropriate option
$(A)$ $M$ and $N$ are non-mirror image stereoisomers
$(B)$ $M$ and $O$ are identical
$(C)$ $M$ and $P$ are enantiomers
$(D)$ $M$ and $Q$ are identical
