MCQ
Which of the following compound does not give positive Fehling's test
- A$CH_3CHO$
- B

- C$\begin{array}{*{20}{c}}
{{H_3}C - C - C{H_3}} \\
{||} \\
O
\end{array}$ - ✓$B$ and $C$ both

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$\left( X \right)\,\xrightarrow{\Delta }\,\left( Y \right)$ amphoteric $ + \left( R \right) \uparrow \, + \,\left( S \right) \uparrow $
$P$ and $X$ are respectively
