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7. Alcohol, phenol and ethers — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry7. Alcohol, phenol and ethers1 Mark
MCQ
Which of the following is tertiary alcohol
  • A
    $\begin{array}{*{20}{c}}
      {\begin{array}{*{20}{c}}
      {C{H_{  2}}OH\,\,\,\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
    \end{array}} \\ 
      {CH - OH\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,C{H_{ 2}}OH\,\,\,\,\,\,\,\,\,\,} 
    \end{array}$
  • B
    $\begin{array}{*{20}{c}}
      {\begin{array}{*{20}{c}}
      {C{H_2}\,\,\,\,\,\,\,\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {C{H_3} - C{H_2} - C{H_2}OH\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
    \end{array}} \\ 
      {C{H_2}\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,} 
    \end{array}$
  • ✓
    $\begin{array}{*{20}{c}}
      {\begin{array}{*{20}{c}}
      {\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
      \,\,| 
    \end{array}} \\ 
      {C{H_3} - C - OH} \\ 
     \,\, | \\ 
      {\,\,\,\,\,\,\,\,\,C{H_3}} 
    \end{array}$
  • D
    $C{H_3} - C{H_2} - OH$
✓

Answer

Correct option: C.
$\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
  \,\,| 
\end{array}} \\ 
  {C{H_3} - C - OH} \\ 
 \,\, | \\ 
  {\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$
c
It’s Obvious.

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