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

15481 Consider the following reaction sequence$\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\xrightarrow[{2.\,KOH - EtOH,\,heat}]{{1.\,HBr}}$The major end product formed is :-

1 $\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,|\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,C{H_3}\,\,OH\,\,\,\,\,\,\,} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH{{(C{H_3})}_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3} - C = C - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,C{H_3}\,\,\,\,C{H_3}} 
\end{array}$
ALCOHOLS, PHENOLS AND ETHER

15482 \(1\) -Propanol can be prepared from propene by

1 \(HOH/H^\oplus \)
2 \(Hg(OAc)_2/H_2O\) and \(NaBH_4\)
3 \(B_2H_6 - THF\) and \(H_2O_2/OH^\circleddash \)
4 All of these
ALCOHOLS, PHENOLS AND ETHER

15483 The order of reactivity of following alcohols with halogen acids is ______\((A)\)   \(CH_3CH_2-CH_2-OH\)        \( (B) \)  $\begin{array}{*{20}{c}}
  {C{H_3} - C{H_2} - CH - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$\((C)\)   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {C{H_3} - C{H_2} - C - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

1 \((A) > (B) > (C)\)
2 \((C) > (B) > (A)\)
3 \((B) > (A) > (C)\)
4 \((A) > (C) > (B)\)
ALCOHOLS, PHENOLS AND ETHER

15484 Among the following compounds which can be dehydrated very easily is

1 \(CH_3CH_2CH_2CH_2CH_2OH\)
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\ 
  {C{H_3}C{H_2}C{H_2}CHC{H_3}} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}\,\,\,\, \\ 
  {\,\,\,\,|\,\,\,\,} \\ 
  {C{H_3}C{H_2}CC{H_2}C{H_3}} \\ 
  {\,\,|\,\,\,\,} \\ 
  {\,\,\,\,\,\,OH\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3}C{H_2}CHC{H_2}C{H_2}OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
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ALCOHOLS, PHENOLS AND ETHER

15481 Consider the following reaction sequence$\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\xrightarrow[{2.\,KOH - EtOH,\,heat}]{{1.\,HBr}}$The major end product formed is :-

1 $\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,|\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,C{H_3}\,\,OH\,\,\,\,\,\,\,} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH{{(C{H_3})}_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3} - C = C - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,C{H_3}\,\,\,\,C{H_3}} 
\end{array}$
ALCOHOLS, PHENOLS AND ETHER

15482 \(1\) -Propanol can be prepared from propene by

1 \(HOH/H^\oplus \)
2 \(Hg(OAc)_2/H_2O\) and \(NaBH_4\)
3 \(B_2H_6 - THF\) and \(H_2O_2/OH^\circleddash \)
4 All of these
ALCOHOLS, PHENOLS AND ETHER

15483 The order of reactivity of following alcohols with halogen acids is ______\((A)\)   \(CH_3CH_2-CH_2-OH\)        \( (B) \)  $\begin{array}{*{20}{c}}
  {C{H_3} - C{H_2} - CH - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$\((C)\)   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {C{H_3} - C{H_2} - C - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

1 \((A) > (B) > (C)\)
2 \((C) > (B) > (A)\)
3 \((B) > (A) > (C)\)
4 \((A) > (C) > (B)\)
ALCOHOLS, PHENOLS AND ETHER

15484 Among the following compounds which can be dehydrated very easily is

1 \(CH_3CH_2CH_2CH_2CH_2OH\)
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\ 
  {C{H_3}C{H_2}C{H_2}CHC{H_3}} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}\,\,\,\, \\ 
  {\,\,\,\,|\,\,\,\,} \\ 
  {C{H_3}C{H_2}CC{H_2}C{H_3}} \\ 
  {\,\,|\,\,\,\,} \\ 
  {\,\,\,\,\,\,OH\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3}C{H_2}CHC{H_2}C{H_2}OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
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ALCOHOLS, PHENOLS AND ETHER

15481 Consider the following reaction sequence$\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\xrightarrow[{2.\,KOH - EtOH,\,heat}]{{1.\,HBr}}$The major end product formed is :-

1 $\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,|\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,C{H_3}\,\,OH\,\,\,\,\,\,\,} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH{{(C{H_3})}_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3} - C = C - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,C{H_3}\,\,\,\,C{H_3}} 
\end{array}$
ALCOHOLS, PHENOLS AND ETHER

15482 \(1\) -Propanol can be prepared from propene by

1 \(HOH/H^\oplus \)
2 \(Hg(OAc)_2/H_2O\) and \(NaBH_4\)
3 \(B_2H_6 - THF\) and \(H_2O_2/OH^\circleddash \)
4 All of these
ALCOHOLS, PHENOLS AND ETHER

15483 The order of reactivity of following alcohols with halogen acids is ______\((A)\)   \(CH_3CH_2-CH_2-OH\)        \( (B) \)  $\begin{array}{*{20}{c}}
  {C{H_3} - C{H_2} - CH - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$\((C)\)   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {C{H_3} - C{H_2} - C - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

1 \((A) > (B) > (C)\)
2 \((C) > (B) > (A)\)
3 \((B) > (A) > (C)\)
4 \((A) > (C) > (B)\)
ALCOHOLS, PHENOLS AND ETHER

15484 Among the following compounds which can be dehydrated very easily is

1 \(CH_3CH_2CH_2CH_2CH_2OH\)
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\ 
  {C{H_3}C{H_2}C{H_2}CHC{H_3}} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}\,\,\,\, \\ 
  {\,\,\,\,|\,\,\,\,} \\ 
  {C{H_3}C{H_2}CC{H_2}C{H_3}} \\ 
  {\,\,|\,\,\,\,} \\ 
  {\,\,\,\,\,\,OH\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3}C{H_2}CHC{H_2}C{H_2}OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
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ALCOHOLS, PHENOLS AND ETHER

15481 Consider the following reaction sequence$\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\xrightarrow[{2.\,KOH - EtOH,\,heat}]{{1.\,HBr}}$The major end product formed is :-

1 $\begin{array}{*{20}{c}}
  {\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,|\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,C{H_3}\,\,OH\,\,\,\,\,\,\,} 
\end{array}$
2 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH{{(C{H_3})}_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3} - C = C - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,C{H_3}\,\,\,\,C{H_3}} 
\end{array}$
ALCOHOLS, PHENOLS AND ETHER

15482 \(1\) -Propanol can be prepared from propene by

1 \(HOH/H^\oplus \)
2 \(Hg(OAc)_2/H_2O\) and \(NaBH_4\)
3 \(B_2H_6 - THF\) and \(H_2O_2/OH^\circleddash \)
4 All of these
ALCOHOLS, PHENOLS AND ETHER

15483 The order of reactivity of following alcohols with halogen acids is ______\((A)\)   \(CH_3CH_2-CH_2-OH\)        \( (B) \)  $\begin{array}{*{20}{c}}
  {C{H_3} - C{H_2} - CH - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$\((C)\)   $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {C{H_3} - C{H_2} - C - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

1 \((A) > (B) > (C)\)
2 \((C) > (B) > (A)\)
3 \((B) > (A) > (C)\)
4 \((A) > (C) > (B)\)
ALCOHOLS, PHENOLS AND ETHER

15484 Among the following compounds which can be dehydrated very easily is

1 \(CH_3CH_2CH_2CH_2CH_2OH\)
2 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\ 
  {C{H_3}C{H_2}C{H_2}CHC{H_3}} 
\end{array}$
3 $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}\,\,\,\, \\ 
  {\,\,\,\,|\,\,\,\,} \\ 
  {C{H_3}C{H_2}CC{H_2}C{H_3}} \\ 
  {\,\,|\,\,\,\,} \\ 
  {\,\,\,\,\,\,OH\,\,\,\,} 
\end{array}$
4 $\begin{array}{*{20}{c}}
  {C{H_3}C{H_2}CHC{H_2}C{H_2}OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
\end{array}$
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