Which statement about the aldol condensation is correct?
- A$A$. $A$ Lewis acid is commonly used as a catalyst
- B$B$. The initial step is the formation of an enolate ion (carbanion)
- C$C$. $A$ Lewis base is employed to induce carbocation formation
- D$D$. The carbon chain is lengthened through the elimination of $1 \ mole$ of water
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Similar Questions
Which one of the following on treatment with $50 \% \text{ aq. } NaOH$ yields the corresponding alcohol and salt of carboxylic acid?
Medium
View SolutionThe reaction of $C_6H_5CH=CHCHO$ with $LiAlH_4$ gives
Medium
View SolutionIn the given reactions,which one is $INCORRECT$?
Match List-$I$ with List-$II$ and then select the correct answer from the codes given below.
List-$I$ List-$II$ $A$. $C_6H_6 + CO + HCl \xrightarrow{AlCl_3} C_6H_5CHO$ $a$. Gattermann-Koch reaction $B$. $C_6H_5CH_3 \xrightarrow{CrO_2Cl_2} C_6H_5CHO$ $b$. Etard reaction $C$. $C_6H_5CH_2Br + CH_3Br \xrightarrow{Na/ether} C_6H_5CH_2CH_3$ $c$. Wurtz-Fittig reaction $D$. $C_6H_6 + (CH_3)_2C = CH_2 \xrightarrow{H_2SO_4} C_6H_5C(CH_3)_3$ $d$. Friedel-Crafts alkylation
| List-$I$ | List-$II$ |
| $A$. $C_6H_6 + CO + HCl \xrightarrow{AlCl_3} C_6H_5CHO$ | $a$. Gattermann-Koch reaction |
| $B$. $C_6H_5CH_3 \xrightarrow{CrO_2Cl_2} C_6H_5CHO$ | $b$. Etard reaction |
| $C$. $C_6H_5CH_2Br + CH_3Br \xrightarrow{Na/ether} C_6H_5CH_2CH_3$ | $c$. Wurtz-Fittig reaction |
| $D$. $C_6H_6 + (CH_3)_2C = CH_2 \xrightarrow{H_2SO_4} C_6H_5C(CH_3)_3$ | $d$. Friedel-Crafts alkylation |
Medium
View SolutionThe major product of the following reaction is:
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