11. ALCOHOLS, PHENOLS AND ETHERS
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ALCOHOLS, PHENOLS AND ETHER

15469 $\begin{matrix}
   Ph-CH-OH  \\
   |\,\,\,\,\,\,  \\
   \,\,C{{H}_{3}}  \\
\end{matrix}\($\xrightarrow{{PCC}}A\xrightarrow[{(ii)\,\,{H^ \oplus }/\,\Delta }]{{(i)\,\,N{H_2}OH}}B + C\)In the given reaction sequence \(B\) and \(C\) are :

1 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$      $Ph-CH_2-CHO$
2 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {Ph - C - NH - C{H_3},} 
\end{array}$  $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - NH - Ph} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  \,\,\,\,\,\,\,\,\,| 
\end{array}} \\ 
  {Ph - C = N} \\ 
  | \\ 
  {\,\,\,\,\,\,\,C{H_3}} 
\end{array}$
4 816-d57
ALCOHOLS, PHENOLS AND ETHER

15470 Which of the following compound decolourise \(Br_2 / H_2O\) and also give positive test with neutral \(FeCl_3\) :

1 816-a59
2 816-b59
3 816-c59
4 816-d59
ALCOHOLS, PHENOLS AND ETHER

15471 Number of possible product \((s)\) formed in above reaction :-

1 \(2\)
2 \(3\)
3 \(4\)
4 \(5\)
ALCOHOLS, PHENOLS AND ETHER

15472 By which of the following sequence of steps can the alcohol \(RCH_2CH_2OH(X)\) be converted into \(RCH_2CH_2COOH(Y)\)?

1 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
2 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_2}/Pt}}Y\)
3 \(X\xrightarrow{{KCN}}\,\,\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
4 \(X\xrightarrow{{HCN}}\,\,\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
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ALCOHOLS, PHENOLS AND ETHER

15469 $\begin{matrix}
   Ph-CH-OH  \\
   |\,\,\,\,\,\,  \\
   \,\,C{{H}_{3}}  \\
\end{matrix}\($\xrightarrow{{PCC}}A\xrightarrow[{(ii)\,\,{H^ \oplus }/\,\Delta }]{{(i)\,\,N{H_2}OH}}B + C\)In the given reaction sequence \(B\) and \(C\) are :

1 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$      $Ph-CH_2-CHO$
2 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {Ph - C - NH - C{H_3},} 
\end{array}$  $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - NH - Ph} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  \,\,\,\,\,\,\,\,\,| 
\end{array}} \\ 
  {Ph - C = N} \\ 
  | \\ 
  {\,\,\,\,\,\,\,C{H_3}} 
\end{array}$
4 816-d57
ALCOHOLS, PHENOLS AND ETHER

15470 Which of the following compound decolourise \(Br_2 / H_2O\) and also give positive test with neutral \(FeCl_3\) :

1 816-a59
2 816-b59
3 816-c59
4 816-d59
ALCOHOLS, PHENOLS AND ETHER

15471 Number of possible product \((s)\) formed in above reaction :-

1 \(2\)
2 \(3\)
3 \(4\)
4 \(5\)
ALCOHOLS, PHENOLS AND ETHER

15472 By which of the following sequence of steps can the alcohol \(RCH_2CH_2OH(X)\) be converted into \(RCH_2CH_2COOH(Y)\)?

1 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
2 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_2}/Pt}}Y\)
3 \(X\xrightarrow{{KCN}}\,\,\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
4 \(X\xrightarrow{{HCN}}\,\,\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
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ALCOHOLS, PHENOLS AND ETHER

15469 $\begin{matrix}
   Ph-CH-OH  \\
   |\,\,\,\,\,\,  \\
   \,\,C{{H}_{3}}  \\
\end{matrix}\($\xrightarrow{{PCC}}A\xrightarrow[{(ii)\,\,{H^ \oplus }/\,\Delta }]{{(i)\,\,N{H_2}OH}}B + C\)In the given reaction sequence \(B\) and \(C\) are :

1 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$      $Ph-CH_2-CHO$
2 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {Ph - C - NH - C{H_3},} 
\end{array}$  $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - NH - Ph} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  \,\,\,\,\,\,\,\,\,| 
\end{array}} \\ 
  {Ph - C = N} \\ 
  | \\ 
  {\,\,\,\,\,\,\,C{H_3}} 
\end{array}$
4 816-d57
ALCOHOLS, PHENOLS AND ETHER

15470 Which of the following compound decolourise \(Br_2 / H_2O\) and also give positive test with neutral \(FeCl_3\) :

1 816-a59
2 816-b59
3 816-c59
4 816-d59
ALCOHOLS, PHENOLS AND ETHER

15471 Number of possible product \((s)\) formed in above reaction :-

1 \(2\)
2 \(3\)
3 \(4\)
4 \(5\)
ALCOHOLS, PHENOLS AND ETHER

15472 By which of the following sequence of steps can the alcohol \(RCH_2CH_2OH(X)\) be converted into \(RCH_2CH_2COOH(Y)\)?

1 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
2 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_2}/Pt}}Y\)
3 \(X\xrightarrow{{KCN}}\,\,\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
4 \(X\xrightarrow{{HCN}}\,\,\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
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ALCOHOLS, PHENOLS AND ETHER

15469 $\begin{matrix}
   Ph-CH-OH  \\
   |\,\,\,\,\,\,  \\
   \,\,C{{H}_{3}}  \\
\end{matrix}\($\xrightarrow{{PCC}}A\xrightarrow[{(ii)\,\,{H^ \oplus }/\,\Delta }]{{(i)\,\,N{H_2}OH}}B + C\)In the given reaction sequence \(B\) and \(C\) are :

1 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$      $Ph-CH_2-CHO$
2 $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {Ph - C - NH - C{H_3},} 
\end{array}$  $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - NH - Ph} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {O\,\,\,\,} \\ 
  {||\,\,\,\,\,} \\ 
  {Ph - C - C{H_3},} 
\end{array}$   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  \,\,\,\,\,\,\,\,\,| 
\end{array}} \\ 
  {Ph - C = N} \\ 
  | \\ 
  {\,\,\,\,\,\,\,C{H_3}} 
\end{array}$
4 816-d57
ALCOHOLS, PHENOLS AND ETHER

15470 Which of the following compound decolourise \(Br_2 / H_2O\) and also give positive test with neutral \(FeCl_3\) :

1 816-a59
2 816-b59
3 816-c59
4 816-d59
ALCOHOLS, PHENOLS AND ETHER

15471 Number of possible product \((s)\) formed in above reaction :-

1 \(2\)
2 \(3\)
3 \(4\)
4 \(5\)
ALCOHOLS, PHENOLS AND ETHER

15472 By which of the following sequence of steps can the alcohol \(RCH_2CH_2OH(X)\) be converted into \(RCH_2CH_2COOH(Y)\)?

1 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
2 \(X\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{KCN}}\,\,\xrightarrow{{{H_2}/Pt}}Y\)
3 \(X\xrightarrow{{KCN}}\,\,\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
4 \(X\xrightarrow{{HCN}}\,\,\xrightarrow{{PB{r_3}}}\,\,\xrightarrow{{{H_3}{O^ + }}}Y\)
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