MCQ
In the esterification reaction of alcohols
- ✓$O{H^ - }$ is replaced by $C{H_3}CO{O^-}$ group
- B$O{H^ - }$ is replaced by chlorine
- C${H^ - }$ is replaced by sodium metal
- D$O{H^ - }$is replaced by ${C_2}{H_5}OH$
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Reason : $Six F$ atoms in $SF_6$ prevent the attack of $H_2O$ on sulphur atom of $SF_6$.
(Use $R =8.31\, J\, K ^{-1}\, mol ^{-1} ; \log 2=0.3010$. In $10=$ $2.3, \log 3=0.477$ )