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10. Biomolecules — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry10. Biomolecules1 Mark
MCQ
$\begin{array}{*{20}{c}}
  {CH = O} \\ 
  {\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,{{(CH - OH)}_4}\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,C{H_2} - OH} 
\end{array}$ $\xrightarrow{{B{r_2}/{H_2}O}}$ $P; P$ is
  • ✓
    $\begin{array}{*{20}{c}}
      {COOH} \\ 
      {\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,\,\,\,\,\,\,\,{{(CH - OH)}_4}\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,C{H_2} - OH} 
    \end{array}$
  • B
    $\begin{array}{*{20}{c}}
      {CH = O} \\ 
      {\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,\,\,\,\,\,\,\,{{(CH - OH)}_4}\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,COOH\,\,\,\,\,\,\,\,} 
    \end{array}$
  • C
    $\begin{array}{*{20}{c}}
      {CH = O} \\ 
      {\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,\,\,\,\,\,\,\,{{(CH - OH)}_4}\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,CH = O\,\,\,\,\,\,\,\,} 
    \end{array}$
  • D
    $\begin{array}{*{20}{c}}
      {COOH} \\ 
      {\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,\,\,\,\,\,\,\,{{(CH - OH)}_4}\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,COOH\,\,\,\,\,\,\,\,} 
    \end{array}$
✓

Answer

Correct option: A.
$\begin{array}{*{20}{c}}
  {COOH} \\ 
  {\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,{{(CH - OH)}_4}\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,C{H_2} - OH} 
\end{array}$
a

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