MCQ
$C$ is ?


- A

- ✓

- C

- D








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$\begin{array}{*{20}{c}}
{O\,\,\,\,} \\
{||\,\,\,\,} \\
{C{H_3} - CH - C - C{H_2} - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}\xrightarrow{{C{F_3}COOOH}}[X]$ as main product
$[X]$ will be :
(At nos. : $L a=57, C e=58, E u=63$ and $Y b=70$ )
