Chemical Reactions of Carboxylic Acids
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323784 Benzoic acid reacts with conc. \(\mathrm{HNO}_{3}\) and \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
to give :

1 3-Nitrobenzoic acid
2 4-Benzene sulphonic acid
3 4-Nitrobenzoic acid
4 2-Nitrobenzoic acid
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323785 Compound can be prepared by the reaction of.
supporting img

1 phenol and benzoyl chloride in the presence of \(\mathrm{ZnCl}_{2}\).
2 Phenol and benzaldehyde in the presence of palladium.
3 Phenol and benzoic acid in the presence of \(\mathrm{NaOH}\)
4 Phenol and benzoyl chloride in the presence of pyridine.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323786 Identify compound A used in the following reaction.
\({\text{Benzoic}}{\mkern 1mu} {\text{acid}}\xrightarrow[\Delta ]{{\text{A}}}{\text{Benzoyl}}\)
chloride + Phosphorous oxychloride + Hydrogen chloride

1 \(\mathrm{SOCl}_{2}\)
2 \(\mathrm{PCl}_{3}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{PCl}_{5}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323787 I.
\(\mathrm{RCOOH}+\mathrm{PCl}_{5} \rightarrow \mathrm{RCOCl}+\mathrm{POCl}_{3}+\mathrm{HCl}\)
II. \(3{\rm{RCOOH}} + {\rm{PC}}{{\rm{l}}_3} \to 3{\rm{RCOCl}} + {{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}\)
III. \(\mathrm{RCOOH}+\mathrm{SOCl}_{2} \rightarrow \mathrm{RCOCl}+\mathrm{SO}_{2}+\mathrm{HCl}\)
Which of the above reactions is/are preferred for the synthesis of \(\mathrm{RCOCl}\) ?

1 Only I
2 Only II
3 Only III
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323788 Which of the following reactions of acetic acid involve \(\mathrm{C}-\mathrm{OH}\) bond ?
I. Action with \(\mathrm{Na}\)
II. Formation of acid chloride
III. Action with \(\mathrm{NaHCO}_{3}\)
IV. Formation of an ester

1 I, II
2 II, III
3 III, IV
4 II, IV
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323784 Benzoic acid reacts with conc. \(\mathrm{HNO}_{3}\) and \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
to give :

1 3-Nitrobenzoic acid
2 4-Benzene sulphonic acid
3 4-Nitrobenzoic acid
4 2-Nitrobenzoic acid
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323785 Compound can be prepared by the reaction of.
supporting img

1 phenol and benzoyl chloride in the presence of \(\mathrm{ZnCl}_{2}\).
2 Phenol and benzaldehyde in the presence of palladium.
3 Phenol and benzoic acid in the presence of \(\mathrm{NaOH}\)
4 Phenol and benzoyl chloride in the presence of pyridine.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323786 Identify compound A used in the following reaction.
\({\text{Benzoic}}{\mkern 1mu} {\text{acid}}\xrightarrow[\Delta ]{{\text{A}}}{\text{Benzoyl}}\)
chloride + Phosphorous oxychloride + Hydrogen chloride

1 \(\mathrm{SOCl}_{2}\)
2 \(\mathrm{PCl}_{3}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{PCl}_{5}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323787 I.
\(\mathrm{RCOOH}+\mathrm{PCl}_{5} \rightarrow \mathrm{RCOCl}+\mathrm{POCl}_{3}+\mathrm{HCl}\)
II. \(3{\rm{RCOOH}} + {\rm{PC}}{{\rm{l}}_3} \to 3{\rm{RCOCl}} + {{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}\)
III. \(\mathrm{RCOOH}+\mathrm{SOCl}_{2} \rightarrow \mathrm{RCOCl}+\mathrm{SO}_{2}+\mathrm{HCl}\)
Which of the above reactions is/are preferred for the synthesis of \(\mathrm{RCOCl}\) ?

1 Only I
2 Only II
3 Only III
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323788 Which of the following reactions of acetic acid involve \(\mathrm{C}-\mathrm{OH}\) bond ?
I. Action with \(\mathrm{Na}\)
II. Formation of acid chloride
III. Action with \(\mathrm{NaHCO}_{3}\)
IV. Formation of an ester

1 I, II
2 II, III
3 III, IV
4 II, IV
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323784 Benzoic acid reacts with conc. \(\mathrm{HNO}_{3}\) and \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
to give :

1 3-Nitrobenzoic acid
2 4-Benzene sulphonic acid
3 4-Nitrobenzoic acid
4 2-Nitrobenzoic acid
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323785 Compound can be prepared by the reaction of.
supporting img

1 phenol and benzoyl chloride in the presence of \(\mathrm{ZnCl}_{2}\).
2 Phenol and benzaldehyde in the presence of palladium.
3 Phenol and benzoic acid in the presence of \(\mathrm{NaOH}\)
4 Phenol and benzoyl chloride in the presence of pyridine.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323786 Identify compound A used in the following reaction.
\({\text{Benzoic}}{\mkern 1mu} {\text{acid}}\xrightarrow[\Delta ]{{\text{A}}}{\text{Benzoyl}}\)
chloride + Phosphorous oxychloride + Hydrogen chloride

1 \(\mathrm{SOCl}_{2}\)
2 \(\mathrm{PCl}_{3}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{PCl}_{5}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323787 I.
\(\mathrm{RCOOH}+\mathrm{PCl}_{5} \rightarrow \mathrm{RCOCl}+\mathrm{POCl}_{3}+\mathrm{HCl}\)
II. \(3{\rm{RCOOH}} + {\rm{PC}}{{\rm{l}}_3} \to 3{\rm{RCOCl}} + {{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}\)
III. \(\mathrm{RCOOH}+\mathrm{SOCl}_{2} \rightarrow \mathrm{RCOCl}+\mathrm{SO}_{2}+\mathrm{HCl}\)
Which of the above reactions is/are preferred for the synthesis of \(\mathrm{RCOCl}\) ?

1 Only I
2 Only II
3 Only III
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323788 Which of the following reactions of acetic acid involve \(\mathrm{C}-\mathrm{OH}\) bond ?
I. Action with \(\mathrm{Na}\)
II. Formation of acid chloride
III. Action with \(\mathrm{NaHCO}_{3}\)
IV. Formation of an ester

1 I, II
2 II, III
3 III, IV
4 II, IV
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CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323784 Benzoic acid reacts with conc. \(\mathrm{HNO}_{3}\) and \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
to give :

1 3-Nitrobenzoic acid
2 4-Benzene sulphonic acid
3 4-Nitrobenzoic acid
4 2-Nitrobenzoic acid
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323785 Compound can be prepared by the reaction of.
supporting img

1 phenol and benzoyl chloride in the presence of \(\mathrm{ZnCl}_{2}\).
2 Phenol and benzaldehyde in the presence of palladium.
3 Phenol and benzoic acid in the presence of \(\mathrm{NaOH}\)
4 Phenol and benzoyl chloride in the presence of pyridine.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323786 Identify compound A used in the following reaction.
\({\text{Benzoic}}{\mkern 1mu} {\text{acid}}\xrightarrow[\Delta ]{{\text{A}}}{\text{Benzoyl}}\)
chloride + Phosphorous oxychloride + Hydrogen chloride

1 \(\mathrm{SOCl}_{2}\)
2 \(\mathrm{PCl}_{3}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{PCl}_{5}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323787 I.
\(\mathrm{RCOOH}+\mathrm{PCl}_{5} \rightarrow \mathrm{RCOCl}+\mathrm{POCl}_{3}+\mathrm{HCl}\)
II. \(3{\rm{RCOOH}} + {\rm{PC}}{{\rm{l}}_3} \to 3{\rm{RCOCl}} + {{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}\)
III. \(\mathrm{RCOOH}+\mathrm{SOCl}_{2} \rightarrow \mathrm{RCOCl}+\mathrm{SO}_{2}+\mathrm{HCl}\)
Which of the above reactions is/are preferred for the synthesis of \(\mathrm{RCOCl}\) ?

1 Only I
2 Only II
3 Only III
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323788 Which of the following reactions of acetic acid involve \(\mathrm{C}-\mathrm{OH}\) bond ?
I. Action with \(\mathrm{Na}\)
II. Formation of acid chloride
III. Action with \(\mathrm{NaHCO}_{3}\)
IV. Formation of an ester

1 I, II
2 II, III
3 III, IV
4 II, IV
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323784 Benzoic acid reacts with conc. \(\mathrm{HNO}_{3}\) and \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
to give :

1 3-Nitrobenzoic acid
2 4-Benzene sulphonic acid
3 4-Nitrobenzoic acid
4 2-Nitrobenzoic acid
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323785 Compound can be prepared by the reaction of.
supporting img

1 phenol and benzoyl chloride in the presence of \(\mathrm{ZnCl}_{2}\).
2 Phenol and benzaldehyde in the presence of palladium.
3 Phenol and benzoic acid in the presence of \(\mathrm{NaOH}\)
4 Phenol and benzoyl chloride in the presence of pyridine.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323786 Identify compound A used in the following reaction.
\({\text{Benzoic}}{\mkern 1mu} {\text{acid}}\xrightarrow[\Delta ]{{\text{A}}}{\text{Benzoyl}}\)
chloride + Phosphorous oxychloride + Hydrogen chloride

1 \(\mathrm{SOCl}_{2}\)
2 \(\mathrm{PCl}_{3}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{PCl}_{5}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323787 I.
\(\mathrm{RCOOH}+\mathrm{PCl}_{5} \rightarrow \mathrm{RCOCl}+\mathrm{POCl}_{3}+\mathrm{HCl}\)
II. \(3{\rm{RCOOH}} + {\rm{PC}}{{\rm{l}}_3} \to 3{\rm{RCOCl}} + {{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}\)
III. \(\mathrm{RCOOH}+\mathrm{SOCl}_{2} \rightarrow \mathrm{RCOCl}+\mathrm{SO}_{2}+\mathrm{HCl}\)
Which of the above reactions is/are preferred for the synthesis of \(\mathrm{RCOCl}\) ?

1 Only I
2 Only II
3 Only III
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323788 Which of the following reactions of acetic acid involve \(\mathrm{C}-\mathrm{OH}\) bond ?
I. Action with \(\mathrm{Na}\)
II. Formation of acid chloride
III. Action with \(\mathrm{NaHCO}_{3}\)
IV. Formation of an ester

1 I, II
2 II, III
3 III, IV
4 II, IV