CARBOXYLIC ACIDS
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28022 The reaction is called $\begin{array}{*{20}{c}}
  {2C{H_3} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,} \\ 
  {O\,\,\,} 
\end{array}$ ${\xrightarrow{{{C_2}{H_5}ONa}}}$  $\begin{array}{*{20}{c}}
  {C{H_3} - C - C{H_2} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,} 
\end{array}$ $ + \,{C_2}{H_5}OH$

1 Etard reaction
2 Perkin’s reaction
3 Claisen condensation
4 Claisen Schmidt reaction
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28023 Which is the strongest acid ? (\(pKa\) value is given in the bracket)

1 \(HCOOH\,(3.77)\)
2 \({C_6}{H_5}COOH\,(4.22)\)
3 \(C{H_3}COOH\,(4.71)\)
4 \(C{H_3}C{H_2}COOH\,(4.88)\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28024 In the presence of iodine catalyst, chlorine reacts with acetic acid to form

1 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - Cl} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,\,\,||} \\ 
  {C{H_2}Cl - C - OH} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,Cl} \\ 
  \,| 
\end{array}} \\ 
  {C{H_3} - C - OH} \\ 
  \,| \\ 
  {\,\,\,\,\,Cl} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,} \\ 
  {C{H_3} - C - O - Cl} 
\end{array}$
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28025 The acid showing salt-like character in aqueous solution is

1 Acetic acid
2 Benzoic acid
3 Formic acid
4 \(\alpha - \)amino acetic acid
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28022 The reaction is called $\begin{array}{*{20}{c}}
  {2C{H_3} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,} \\ 
  {O\,\,\,} 
\end{array}$ ${\xrightarrow{{{C_2}{H_5}ONa}}}$  $\begin{array}{*{20}{c}}
  {C{H_3} - C - C{H_2} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,} 
\end{array}$ $ + \,{C_2}{H_5}OH$

1 Etard reaction
2 Perkin’s reaction
3 Claisen condensation
4 Claisen Schmidt reaction
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28023 Which is the strongest acid ? (\(pKa\) value is given in the bracket)

1 \(HCOOH\,(3.77)\)
2 \({C_6}{H_5}COOH\,(4.22)\)
3 \(C{H_3}COOH\,(4.71)\)
4 \(C{H_3}C{H_2}COOH\,(4.88)\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28024 In the presence of iodine catalyst, chlorine reacts with acetic acid to form

1 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - Cl} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,\,\,||} \\ 
  {C{H_2}Cl - C - OH} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,Cl} \\ 
  \,| 
\end{array}} \\ 
  {C{H_3} - C - OH} \\ 
  \,| \\ 
  {\,\,\,\,\,Cl} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,} \\ 
  {C{H_3} - C - O - Cl} 
\end{array}$
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28025 The acid showing salt-like character in aqueous solution is

1 Acetic acid
2 Benzoic acid
3 Formic acid
4 \(\alpha - \)amino acetic acid
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28022 The reaction is called $\begin{array}{*{20}{c}}
  {2C{H_3} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,} \\ 
  {O\,\,\,} 
\end{array}$ ${\xrightarrow{{{C_2}{H_5}ONa}}}$  $\begin{array}{*{20}{c}}
  {C{H_3} - C - C{H_2} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,} 
\end{array}$ $ + \,{C_2}{H_5}OH$

1 Etard reaction
2 Perkin’s reaction
3 Claisen condensation
4 Claisen Schmidt reaction
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28023 Which is the strongest acid ? (\(pKa\) value is given in the bracket)

1 \(HCOOH\,(3.77)\)
2 \({C_6}{H_5}COOH\,(4.22)\)
3 \(C{H_3}COOH\,(4.71)\)
4 \(C{H_3}C{H_2}COOH\,(4.88)\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28024 In the presence of iodine catalyst, chlorine reacts with acetic acid to form

1 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - Cl} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,\,\,||} \\ 
  {C{H_2}Cl - C - OH} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,Cl} \\ 
  \,| 
\end{array}} \\ 
  {C{H_3} - C - OH} \\ 
  \,| \\ 
  {\,\,\,\,\,Cl} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,} \\ 
  {C{H_3} - C - O - Cl} 
\end{array}$
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28025 The acid showing salt-like character in aqueous solution is

1 Acetic acid
2 Benzoic acid
3 Formic acid
4 \(\alpha - \)amino acetic acid
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28022 The reaction is called $\begin{array}{*{20}{c}}
  {2C{H_3} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,} \\ 
  {O\,\,\,} 
\end{array}$ ${\xrightarrow{{{C_2}{H_5}ONa}}}$  $\begin{array}{*{20}{c}}
  {C{H_3} - C - C{H_2} - C - O{C_2}{H_5}} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,} 
\end{array}$ $ + \,{C_2}{H_5}OH$

1 Etard reaction
2 Perkin’s reaction
3 Claisen condensation
4 Claisen Schmidt reaction
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28023 Which is the strongest acid ? (\(pKa\) value is given in the bracket)

1 \(HCOOH\,(3.77)\)
2 \({C_6}{H_5}COOH\,(4.22)\)
3 \(C{H_3}COOH\,(4.71)\)
4 \(C{H_3}C{H_2}COOH\,(4.88)\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28024 In the presence of iodine catalyst, chlorine reacts with acetic acid to form

1 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - Cl} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,\,\,||} \\ 
  {C{H_2}Cl - C - OH} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,Cl} \\ 
  \,| 
\end{array}} \\ 
  {C{H_3} - C - OH} \\ 
  \,| \\ 
  {\,\,\,\,\,Cl} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,} \\ 
  {C{H_3} - C - O - Cl} 
\end{array}$
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28025 The acid showing salt-like character in aqueous solution is

1 Acetic acid
2 Benzoic acid
3 Formic acid
4 \(\alpha - \)amino acetic acid
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