MCQ
The state oxidation state of aluminium is_________.
- A+3
- B+1 and +3
- C+2 and +3
- D+1
Explanation:
The vast majority of compounds with Al minerals feature aluminium in the oxidation state +3. Al(III) is six coordinate or tetra coordinate. Most Al compounds exist in +3 oxidation state but a few exist in +1 oxidation state like AlF, AlCl, AlBr when the trihalide is heated with Al.
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$\begin{array}{*{20}{c}}
{C{H_3} - C{H_2} - C - CH - CHO} \\
{\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,CN}
\end{array}$
is :