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Question

(C) $(i)$ Phenol is more acidic than ethanol because the phenoxide ion is stabilized by resonance,while the ethoxide ion is destabilized by the $+I$ e

Vedclass · Accepted Answer

$TTFF$

Vedclass · Answer

(C) $(i)$ Phenol is more acidic than ethanol because the phenoxide ion is stabilized by resonance,while the ethoxide ion is destabilized by the $+I$ effect of the alkyl group. Statement is $T$.$(ii)$ $o$-Nitrophenol exhibits intramolecular hydrogen bonding,whereas $p$-nitrophenol exhibits intermolecular hydrogen bonding,leading to higher association and higher melting point for $p$-nitrophenol. Statement is $T$.$(iii)$ Phenol is a weaker acid than carbonic acid $(H_2CO_3)$,so it does not react with $NaHCO_3$ to evolve $CO_2$. Statement is $F$.$(iv)$ The aromatic ring of phenol is electron-rich due to the $+M$ effect of the $-OH$ group,making it susceptible to electrophilic substitution,not nucleophilic substitution. Statement is $F$.Therefore,the correct sequence is $TTFF$.

column $-I$	column $-II$
$(A)$ Antifreeze used in car engine	$(1)$ Neutral $FeCl_3$
$(B)$ Solvent used in perfumes	$(2)$ Glycerol
$(C)$ Starting material for picric acid	$(3)$ Methanol
$(D)$ Wood spirit	$(4)$ Phenol
$(E)$ Reagent used for detection of phenolic group	$(5)$ Ethylene glycol
$(F)$ By-product of soap industry used in cosmetics	$(6)$ Ethanol

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