MCQ
Which of the following is not correctly matched :
  • A
    Lactice acid $\rightarrow$ $\begin{array}{*{20}{c}}
      {C{H_3} - CH - COOH} \\ 
      {|\,\,\,\,\,\,\,\,\,\,} \\ 
      {OH\,\,\,\,\,\,\,} 
    \end{array}$
  • B
    Tartaric acid $\rightarrow$ $\begin{array}{*{20}{c}}
      {HO - CH - COOH} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {HO - CH - COOH} 
    \end{array}$
  • C
    Pivaldehyde $\rightarrow$ $CH_3C(CH_3)_2CHO$
  • Iso-octane $\rightarrow$ $\begin{array}{*{20}{c}}
      {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {C{H_3} - C - C{H_2} - CH - C{H_3}} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\ 
      {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
    \end{array}$

Answer

Correct option: D.
Iso-octane $\rightarrow$ $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - C{H_2} - CH - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$
d

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