MCQ
Which one of the following is a planar molecule
- A$N{H_3}$
- B${H_3}{O^ + }$
- ✓$BC{l_3}$
- D$PC{l_3}$
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$\begin{array}{*{20}{c}}
{C{H_3} - CH - CH - C{H_2} - COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,OH\,\,\,\,\,\,\,\,Cl\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
(Atomic numbers : $Fe=26,Co=27,Mn=25,Cr=24$)