15524 Oxalic acid \(+ A\) \(\rightarrow\)  \([Figure]\)hence \(A\) \(\xrightarrow{{conc.\,{H_2}S{O_4}}}\) \(B,\) \(B\) is :

1

2

3 $\begin{array}{*{20}{c}}
  {C{H_2} - O - C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,} 
\end{array}$

4 None

15501 When phenol is treated with \(PCl_5,\) the yield of chlorobenzene is generally poor because of the formation of

15502 In the following reaction, final product is

1 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}O{C_2}{H_5}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

2 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}ONa} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O{C_2}{H_5}} 
\end{array}$

3

4

15503 Consider the reaction of \(HI\) with the following :Which forms di-iodide on reaction with \(HI \) (excess) ?

15504 Ethanol on reaction with acetic anhydride gives

15524 Oxalic acid \(+ A\) \(\rightarrow\)  \([Figure]\)hence \(A\) \(\xrightarrow{{conc.\,{H_2}S{O_4}}}\) \(B,\) \(B\) is :

1

2

3 $\begin{array}{*{20}{c}}
  {C{H_2} - O - C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,} 
\end{array}$

4 None

15501 When phenol is treated with \(PCl_5,\) the yield of chlorobenzene is generally poor because of the formation of

15502 In the following reaction, final product is

1 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}O{C_2}{H_5}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

2 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}ONa} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O{C_2}{H_5}} 
\end{array}$

3

4

15503 Consider the reaction of \(HI\) with the following :Which forms di-iodide on reaction with \(HI \) (excess) ?

15504 Ethanol on reaction with acetic anhydride gives

15524 Oxalic acid \(+ A\) \(\rightarrow\)  \([Figure]\)hence \(A\) \(\xrightarrow{{conc.\,{H_2}S{O_4}}}\) \(B,\) \(B\) is :

1

2

3 $\begin{array}{*{20}{c}}
  {C{H_2} - O - C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,} 
\end{array}$

4 None

15501 When phenol is treated with \(PCl_5,\) the yield of chlorobenzene is generally poor because of the formation of

15502 In the following reaction, final product is

1 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}O{C_2}{H_5}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

2 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}ONa} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O{C_2}{H_5}} 
\end{array}$

3

4

15503 Consider the reaction of \(HI\) with the following :Which forms di-iodide on reaction with \(HI \) (excess) ?

15504 Ethanol on reaction with acetic anhydride gives

15524 Oxalic acid \(+ A\) \(\rightarrow\)  \([Figure]\)hence \(A\) \(\xrightarrow{{conc.\,{H_2}S{O_4}}}\) \(B,\) \(B\) is :

1

2

3 $\begin{array}{*{20}{c}}
  {C{H_2} - O - C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,} 
\end{array}$

4 None

15501 When phenol is treated with \(PCl_5,\) the yield of chlorobenzene is generally poor because of the formation of

15502 In the following reaction, final product is

1 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}O{C_2}{H_5}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

2 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}ONa} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O{C_2}{H_5}} 
\end{array}$

3

4

15503 Consider the reaction of \(HI\) with the following :Which forms di-iodide on reaction with \(HI \) (excess) ?

15504 Ethanol on reaction with acetic anhydride gives

15524 Oxalic acid \(+ A\) \(\rightarrow\)  \([Figure]\)hence \(A\) \(\xrightarrow{{conc.\,{H_2}S{O_4}}}\) \(B,\) \(B\) is :

1

2

3 $\begin{array}{*{20}{c}}
  {C{H_2} - O - C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,} 
\end{array}$

4 None

15501 When phenol is treated with \(PCl_5,\) the yield of chlorobenzene is generally poor because of the formation of

15502 In the following reaction, final product is

1 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}O{C_2}{H_5}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

2 $\begin{array}{*{20}{c}}
  {ClC{H_2}CH\mathop C\limits^{14} {H_2}ONa} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O{C_2}{H_5}} 
\end{array}$

3

4

15503 Consider the reaction of \(HI\) with the following :Which forms di-iodide on reaction with \(HI \) (excess) ?

15504 Ethanol on reaction with acetic anhydride gives