Explanation:

(c) \(BrC{H_2}C{H_2}COOH\) is least acidic or has less \({K_a}\) i.e., dissociation constant. It is \((a)\) due to lesser \(-I\) effect of \(Br\) than \(F\) and \((b)\) \(Br\) atom further away form \( - COOH\) group.

Explanation:

Explanation:

(b)\(C{{H}_{3}}MgI+\underset{\text{Ethyl}\,\text{chloroformate}}{\mathop{Cl-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}}}\,\to \) \(\left[ {Cl - {\mkern 1mu} \mathop {\mathop {\mathop {\mathop {C - O{C_2}{H_5}}\limits^{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} }\limits^{\,\,\,\,OMgI\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} } \right]\)  \( \to \mathop {C{H_3} - \mathop {\mathop C\limits^{||} {\mkern 1mu} }\limits^O {\mkern 1mu}  - O{C_2}{H_5}}\limits_{{\text{Ethyl}}{\kern 1pt} {\text{acetate}}} {\mkern 1mu} \) $ + Mg{\mkern 1mu}  < \begin{array}{*{20}{c}}
  {Br} \\ 
  {I{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } 
\end{array}$

Explanation:

(c)$\underset{\begin{smallmatrix} 
 \text{Sodium} \\ 
 \text{acetate} 
\end{smallmatrix}}{\mathop{C{{H}_{3}}COONa}}\,\,\,+\underset{\text{Acetyl}\,\,\text{chloride}}{\mathop{C{{H}_{3}}COCl}}\,\to NaCl+\underset{\text{Acetic}\,\,\text{anhydride}}{\mathop{C{{H}_{3}}COOCOC{{H}_{\,3}}}}\,$

Explanation:

(a)\(\underset{\text{Ammonium acetate}}{\mathop{C{{H}_{3}}COON{{H}_{4}}}}\,+C{{H}_{3}}COOH\xrightarrow{{{110}\,^{o}}C}\) \(\underset{\text{Acetamide}}{\mathop{C{{H}_{3}}CON{{H}_{2}}}}\,+{{H}_{2}}O\)

Explanation:

(c) \(BrC{H_2}C{H_2}COOH\) is least acidic or has less \({K_a}\) i.e., dissociation constant. It is \((a)\) due to lesser \(-I\) effect of \(Br\) than \(F\) and \((b)\) \(Br\) atom further away form \( - COOH\) group.

Explanation:

Explanation:

(b)\(C{{H}_{3}}MgI+\underset{\text{Ethyl}\,\text{chloroformate}}{\mathop{Cl-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}}}\,\to \) \(\left[ {Cl - {\mkern 1mu} \mathop {\mathop {\mathop {\mathop {C - O{C_2}{H_5}}\limits^{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} }\limits^{\,\,\,\,OMgI\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} } \right]\)  \( \to \mathop {C{H_3} - \mathop {\mathop C\limits^{||} {\mkern 1mu} }\limits^O {\mkern 1mu}  - O{C_2}{H_5}}\limits_{{\text{Ethyl}}{\kern 1pt} {\text{acetate}}} {\mkern 1mu} \) $ + Mg{\mkern 1mu}  < \begin{array}{*{20}{c}}
  {Br} \\ 
  {I{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } 
\end{array}$

Explanation:

(c)$\underset{\begin{smallmatrix} 
 \text{Sodium} \\ 
 \text{acetate} 
\end{smallmatrix}}{\mathop{C{{H}_{3}}COONa}}\,\,\,+\underset{\text{Acetyl}\,\,\text{chloride}}{\mathop{C{{H}_{3}}COCl}}\,\to NaCl+\underset{\text{Acetic}\,\,\text{anhydride}}{\mathop{C{{H}_{3}}COOCOC{{H}_{\,3}}}}\,$

Explanation:

(a)\(\underset{\text{Ammonium acetate}}{\mathop{C{{H}_{3}}COON{{H}_{4}}}}\,+C{{H}_{3}}COOH\xrightarrow{{{110}\,^{o}}C}\) \(\underset{\text{Acetamide}}{\mathop{C{{H}_{3}}CON{{H}_{2}}}}\,+{{H}_{2}}O\)

Explanation:

(c) \(BrC{H_2}C{H_2}COOH\) is least acidic or has less \({K_a}\) i.e., dissociation constant. It is \((a)\) due to lesser \(-I\) effect of \(Br\) than \(F\) and \((b)\) \(Br\) atom further away form \( - COOH\) group.

Explanation:

Explanation:

(b)\(C{{H}_{3}}MgI+\underset{\text{Ethyl}\,\text{chloroformate}}{\mathop{Cl-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}}}\,\to \) \(\left[ {Cl - {\mkern 1mu} \mathop {\mathop {\mathop {\mathop {C - O{C_2}{H_5}}\limits^{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} }\limits^{\,\,\,\,OMgI\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} } \right]\)  \( \to \mathop {C{H_3} - \mathop {\mathop C\limits^{||} {\mkern 1mu} }\limits^O {\mkern 1mu}  - O{C_2}{H_5}}\limits_{{\text{Ethyl}}{\kern 1pt} {\text{acetate}}} {\mkern 1mu} \) $ + Mg{\mkern 1mu}  < \begin{array}{*{20}{c}}
  {Br} \\ 
  {I{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } 
\end{array}$

Explanation:

(c)$\underset{\begin{smallmatrix} 
 \text{Sodium} \\ 
 \text{acetate} 
\end{smallmatrix}}{\mathop{C{{H}_{3}}COONa}}\,\,\,+\underset{\text{Acetyl}\,\,\text{chloride}}{\mathop{C{{H}_{3}}COCl}}\,\to NaCl+\underset{\text{Acetic}\,\,\text{anhydride}}{\mathop{C{{H}_{3}}COOCOC{{H}_{\,3}}}}\,$

Explanation:

(a)\(\underset{\text{Ammonium acetate}}{\mathop{C{{H}_{3}}COON{{H}_{4}}}}\,+C{{H}_{3}}COOH\xrightarrow{{{110}\,^{o}}C}\) \(\underset{\text{Acetamide}}{\mathop{C{{H}_{3}}CON{{H}_{2}}}}\,+{{H}_{2}}O\)

Explanation:

(c) \(BrC{H_2}C{H_2}COOH\) is least acidic or has less \({K_a}\) i.e., dissociation constant. It is \((a)\) due to lesser \(-I\) effect of \(Br\) than \(F\) and \((b)\) \(Br\) atom further away form \( - COOH\) group.

Explanation:

Explanation:

(b)\(C{{H}_{3}}MgI+\underset{\text{Ethyl}\,\text{chloroformate}}{\mathop{Cl-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}}}\,\to \) \(\left[ {Cl - {\mkern 1mu} \mathop {\mathop {\mathop {\mathop {C - O{C_2}{H_5}}\limits^{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} }\limits^{\,\,\,\,OMgI\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} } \right]\)  \( \to \mathop {C{H_3} - \mathop {\mathop C\limits^{||} {\mkern 1mu} }\limits^O {\mkern 1mu}  - O{C_2}{H_5}}\limits_{{\text{Ethyl}}{\kern 1pt} {\text{acetate}}} {\mkern 1mu} \) $ + Mg{\mkern 1mu}  < \begin{array}{*{20}{c}}
  {Br} \\ 
  {I{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } 
\end{array}$

Explanation:

(c)$\underset{\begin{smallmatrix} 
 \text{Sodium} \\ 
 \text{acetate} 
\end{smallmatrix}}{\mathop{C{{H}_{3}}COONa}}\,\,\,+\underset{\text{Acetyl}\,\,\text{chloride}}{\mathop{C{{H}_{3}}COCl}}\,\to NaCl+\underset{\text{Acetic}\,\,\text{anhydride}}{\mathop{C{{H}_{3}}COOCOC{{H}_{\,3}}}}\,$

Explanation:

(a)\(\underset{\text{Ammonium acetate}}{\mathop{C{{H}_{3}}COON{{H}_{4}}}}\,+C{{H}_{3}}COOH\xrightarrow{{{110}\,^{o}}C}\) \(\underset{\text{Acetamide}}{\mathop{C{{H}_{3}}CON{{H}_{2}}}}\,+{{H}_{2}}O\)

Explanation:

(c) \(BrC{H_2}C{H_2}COOH\) is least acidic or has less \({K_a}\) i.e., dissociation constant. It is \((a)\) due to lesser \(-I\) effect of \(Br\) than \(F\) and \((b)\) \(Br\) atom further away form \( - COOH\) group.

Explanation:

Explanation:

(b)\(C{{H}_{3}}MgI+\underset{\text{Ethyl}\,\text{chloroformate}}{\mathop{Cl-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}}}\,\to \) \(\left[ {Cl - {\mkern 1mu} \mathop {\mathop {\mathop {\mathop {C - O{C_2}{H_5}}\limits^{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} }\limits^{\,\,\,\,OMgI\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} } \right]\)  \( \to \mathop {C{H_3} - \mathop {\mathop C\limits^{||} {\mkern 1mu} }\limits^O {\mkern 1mu}  - O{C_2}{H_5}}\limits_{{\text{Ethyl}}{\kern 1pt} {\text{acetate}}} {\mkern 1mu} \) $ + Mg{\mkern 1mu}  < \begin{array}{*{20}{c}}
  {Br} \\ 
  {I{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } 
\end{array}$

Explanation:

(c)$\underset{\begin{smallmatrix} 
 \text{Sodium} \\ 
 \text{acetate} 
\end{smallmatrix}}{\mathop{C{{H}_{3}}COONa}}\,\,\,+\underset{\text{Acetyl}\,\,\text{chloride}}{\mathop{C{{H}_{3}}COCl}}\,\to NaCl+\underset{\text{Acetic}\,\,\text{anhydride}}{\mathop{C{{H}_{3}}COOCOC{{H}_{\,3}}}}\,$

Explanation:

(a)\(\underset{\text{Ammonium acetate}}{\mathop{C{{H}_{3}}COON{{H}_{4}}}}\,+C{{H}_{3}}COOH\xrightarrow{{{110}\,^{o}}C}\) \(\underset{\text{Acetamide}}{\mathop{C{{H}_{3}}CON{{H}_{2}}}}\,+{{H}_{2}}O\)