$HOOC-COOH + HO^{18}CH_2-CH_2^{18}OH \xrightarrow[H^+]{\Delta} (A)$; Product $(A)$ is:
- ACyclic ester with oxygen atoms from the acid
- BCyclic ester with $^{18}O$ atoms from the alcohol in the ring
- CCyclic ester with $^{18}O$ atoms in the carbonyl group
- DLinear monoester
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Similar Questions
Match the reaction in Column-$I$ with the mechanism in Column-$II$.
Column-$I$ (Reaction) Column-$II$ (Mechanism) $A$. $CH_3OCH_2CH_3 + HI \to CH_3I + CH_3CH_2OH$ $i$. $S_{E}2$ Aromatic $B$. $(CH_3)_3COCH_3 + HI \to CH_3OH + (CH_3)_3CI$ $ii$. $S_{N}1$ $C$. $C_6H_5OCH_3 + Br_2(CH_3COOH) \to p$-Bromoanisole $iii$. Elimination $(\beta)$ $D$. $CH_3CH_2OH + H_2SO_4 (443 \ K) \to CH_2=CH_2$ $iv$. $S_{N}2$
| Column-$I$ (Reaction) | Column-$II$ (Mechanism) |
| $A$. $CH_3OCH_2CH_3 + HI \to CH_3I + CH_3CH_2OH$ | $i$. $S_{E}2$ Aromatic |
| $B$. $(CH_3)_3COCH_3 + HI \to CH_3OH + (CH_3)_3CI$ | $ii$. $S_{N}1$ |
| $C$. $C_6H_5OCH_3 + Br_2(CH_3COOH) \to p$-Bromoanisole | $iii$. Elimination $(\beta)$ |
| $D$. $CH_3CH_2OH + H_2SO_4 (443 \ K) \to CH_2=CH_2$ | $iv$. $S_{N}2$ |
Difficult
View SolutionArrange the following sets of compounds in order of their increasing boiling points:
$(a)$ Pentan$-1-$ol,butan$-1-$ol,butan$-2-$ol,ethanol,propan$-1-$ol,methanol.
$(b)$ Pentan$-1-$ol,$n-$butane,pentanal,ethoxyethane.
$(a)$ Pentan$-1-$ol,butan$-1-$ol,butan$-2-$ol,ethanol,propan$-1-$ol,methanol.
$(b)$ Pentan$-1-$ol,$n-$butane,pentanal,ethoxyethane.
Medium
View SolutionMatch the following column:
Column-$I$ (Reaction) Column-$II$ (Electrophile) $A$. $C_6H_6 + CH_3Cl \xrightarrow{AlCl_3} C_6H_5CH_3$ $P$. $CO_2$ $B$. $C_6H_5OH + CO_2 \xrightarrow[H^+]{NaOH} \text{Salicylic acid}$ $Q$. $:CCl_2$ $C$. $C_6H_5OH + CHCl_3 \xrightarrow{KOH} \text{Salicylaldehyde}$ $R$. $\stackrel{+}{C}H_3$ $D$. $C_6H_6 + SO_3 \xrightarrow{H_2SO_4} C_6H_5SO_3H$ $S$. $\stackrel{+}{S}O_3H$ $T$. $SO_3$
| Column-$I$ (Reaction) | Column-$II$ (Electrophile) |
| $A$. $C_6H_6 + CH_3Cl \xrightarrow{AlCl_3} C_6H_5CH_3$ | $P$. $CO_2$ |
| $B$. $C_6H_5OH + CO_2 \xrightarrow[H^+]{NaOH} \text{Salicylic acid}$ | $Q$. $:CCl_2$ |
| $C$. $C_6H_5OH + CHCl_3 \xrightarrow{KOH} \text{Salicylaldehyde}$ | $R$. $\stackrel{+}{C}H_3$ |
| $D$. $C_6H_6 + SO_3 \xrightarrow{H_2SO_4} C_6H_5SO_3H$ | $S$. $\stackrel{+}{S}O_3H$ |
| $T$. $SO_3$ |
Medium
View SolutionMatch the columns:
Column-$I$ Column-$II$ $A$. Methanol $p$. Conversion of phenol to salicylic acid $B$. Kolbe's reaction $q$. Wood spirit $C$. Williamson's reaction $r$. Vapours are passed over heated copper at $573 \ K$ $D$. Conversion of $2^\circ$ alcohol to ketone $s$. Reaction of alkyl halide with sodium alkoxide
| Column-$I$ | Column-$II$ |
| $A$. Methanol | $p$. Conversion of phenol to salicylic acid |
| $B$. Kolbe's reaction | $q$. Wood spirit |
| $C$. Williamson's reaction | $r$. Vapours are passed over heated copper at $573 \ K$ |
| $D$. Conversion of $2^\circ$ alcohol to ketone | $s$. Reaction of alkyl halide with sodium alkoxide |
Difficult
View SolutionConsider the following methods $:$
$I$: Hydration of olefins
$II$: Hydrolysis of alkyl halide
$III$: Reduction of carbonyl compounds
Which of these can be used to prepare alcohols ?
$I$: Hydration of olefins
$II$: Hydrolysis of alkyl halide
$III$: Reduction of carbonyl compounds
Which of these can be used to prepare alcohols ?
Medium
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