MCQ
The correct order of metallic character is:
- A$Be > Ca > K$
- B$Ca > K > Be$
- ✓$K > Ca > Be$
- D$K > Be > Ca$
$K > Ca > Be$
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$\begin{array}{*{20}{c}}
{O = C - C{H_2} - CH - CHO} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,} \\
{OH\,\,\,\,\,\,H - C = O\,\,}
\end{array}$