Reactions of Phenols
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323330 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{CHCl}_{3}+\mathrm{NaOH} \rightarrow\) salicylaldehyde. The electrophile involved in the above reaction is.

1 Dichloromethyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HC}}{{\text{l}}_{\text{2}}}} \right)\)
2 Dichlorocarbene \(\left(: \mathrm{CCl}_{2}\right)\)
3 Trichloromethyl anion \(\left( {\mathop {\rm{C}}\limits^{\rm{ - }} {\rm{C}}{{\rm{l}}_{\rm{3}}}} \right)\)
4 Formyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HO}}} \right)\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323331 Phenol is heated with \(\mathrm{CHCl}_{3}\), and alcoholic \(\mathrm{KOH}\), salicylaldehyde is produced. This reaction is known as

1 Rosenmund's reaction
2 Reimer-Tiemann reaction
3 Friedel-Crafts reaction
4 Sommelet reaction
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323332 When a mixture of vapours of phenol and hydrogen is passed over nickel catalyst at 433K the product obtained is

1 Benzene
2 Benzaldehyde
3 Cyclohexane
4 Cyclohexanol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323333 Match Column I with Column II.
supporting img

1 \({\rm{A}} - {\rm{P,B}} - {\rm{S,C}} - {\rm{Q,D}} - {\rm{R}}\)
2 \({\rm{A}} - {\rm{S,B}} - {\rm{Q,C}} - {\rm{R,D}} - {\rm{P}}\)
3 \({\rm{A}} - {\rm{Q,B}} - {\rm{S,C}} - {\rm{P,D}} - {\rm{R}}\)
4 \({\rm{A}} - {\rm{R,B}} - {\rm{Q,C}} - {\rm{P,D}} - {\rm{S}}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323330 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{CHCl}_{3}+\mathrm{NaOH} \rightarrow\) salicylaldehyde. The electrophile involved in the above reaction is.

1 Dichloromethyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HC}}{{\text{l}}_{\text{2}}}} \right)\)
2 Dichlorocarbene \(\left(: \mathrm{CCl}_{2}\right)\)
3 Trichloromethyl anion \(\left( {\mathop {\rm{C}}\limits^{\rm{ - }} {\rm{C}}{{\rm{l}}_{\rm{3}}}} \right)\)
4 Formyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HO}}} \right)\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323331 Phenol is heated with \(\mathrm{CHCl}_{3}\), and alcoholic \(\mathrm{KOH}\), salicylaldehyde is produced. This reaction is known as

1 Rosenmund's reaction
2 Reimer-Tiemann reaction
3 Friedel-Crafts reaction
4 Sommelet reaction
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323332 When a mixture of vapours of phenol and hydrogen is passed over nickel catalyst at 433K the product obtained is

1 Benzene
2 Benzaldehyde
3 Cyclohexane
4 Cyclohexanol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323333 Match Column I with Column II.
supporting img

1 \({\rm{A}} - {\rm{P,B}} - {\rm{S,C}} - {\rm{Q,D}} - {\rm{R}}\)
2 \({\rm{A}} - {\rm{S,B}} - {\rm{Q,C}} - {\rm{R,D}} - {\rm{P}}\)
3 \({\rm{A}} - {\rm{Q,B}} - {\rm{S,C}} - {\rm{P,D}} - {\rm{R}}\)
4 \({\rm{A}} - {\rm{R,B}} - {\rm{Q,C}} - {\rm{P,D}} - {\rm{S}}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323330 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{CHCl}_{3}+\mathrm{NaOH} \rightarrow\) salicylaldehyde. The electrophile involved in the above reaction is.

1 Dichloromethyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HC}}{{\text{l}}_{\text{2}}}} \right)\)
2 Dichlorocarbene \(\left(: \mathrm{CCl}_{2}\right)\)
3 Trichloromethyl anion \(\left( {\mathop {\rm{C}}\limits^{\rm{ - }} {\rm{C}}{{\rm{l}}_{\rm{3}}}} \right)\)
4 Formyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HO}}} \right)\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323331 Phenol is heated with \(\mathrm{CHCl}_{3}\), and alcoholic \(\mathrm{KOH}\), salicylaldehyde is produced. This reaction is known as

1 Rosenmund's reaction
2 Reimer-Tiemann reaction
3 Friedel-Crafts reaction
4 Sommelet reaction
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323332 When a mixture of vapours of phenol and hydrogen is passed over nickel catalyst at 433K the product obtained is

1 Benzene
2 Benzaldehyde
3 Cyclohexane
4 Cyclohexanol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323333 Match Column I with Column II.
supporting img

1 \({\rm{A}} - {\rm{P,B}} - {\rm{S,C}} - {\rm{Q,D}} - {\rm{R}}\)
2 \({\rm{A}} - {\rm{S,B}} - {\rm{Q,C}} - {\rm{R,D}} - {\rm{P}}\)
3 \({\rm{A}} - {\rm{Q,B}} - {\rm{S,C}} - {\rm{P,D}} - {\rm{R}}\)
4 \({\rm{A}} - {\rm{R,B}} - {\rm{Q,C}} - {\rm{P,D}} - {\rm{S}}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323330 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{CHCl}_{3}+\mathrm{NaOH} \rightarrow\) salicylaldehyde. The electrophile involved in the above reaction is.

1 Dichloromethyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HC}}{{\text{l}}_{\text{2}}}} \right)\)
2 Dichlorocarbene \(\left(: \mathrm{CCl}_{2}\right)\)
3 Trichloromethyl anion \(\left( {\mathop {\rm{C}}\limits^{\rm{ - }} {\rm{C}}{{\rm{l}}_{\rm{3}}}} \right)\)
4 Formyl cation \(\left( {\mathop {\text{C}}\limits^ \oplus {\text{HO}}} \right)\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323331 Phenol is heated with \(\mathrm{CHCl}_{3}\), and alcoholic \(\mathrm{KOH}\), salicylaldehyde is produced. This reaction is known as

1 Rosenmund's reaction
2 Reimer-Tiemann reaction
3 Friedel-Crafts reaction
4 Sommelet reaction
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323332 When a mixture of vapours of phenol and hydrogen is passed over nickel catalyst at 433K the product obtained is

1 Benzene
2 Benzaldehyde
3 Cyclohexane
4 Cyclohexanol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323333 Match Column I with Column II.
supporting img

1 \({\rm{A}} - {\rm{P,B}} - {\rm{S,C}} - {\rm{Q,D}} - {\rm{R}}\)
2 \({\rm{A}} - {\rm{S,B}} - {\rm{Q,C}} - {\rm{R,D}} - {\rm{P}}\)
3 \({\rm{A}} - {\rm{Q,B}} - {\rm{S,C}} - {\rm{P,D}} - {\rm{R}}\)
4 \({\rm{A}} - {\rm{R,B}} - {\rm{Q,C}} - {\rm{P,D}} - {\rm{S}}\)