Calculate the oxidation number of Al in LiAlH _4. - Vidyadip

Question

Calculate the oxidation number of Al in $LiAlH _4$.

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Answer

$LiAlH _4$ : It is a hydride. Hence, the oxidation number of Hydrogen is -1 .
$\begin{aligned} LiAlH _4\\ +1+x-1(4) =0 \\ x=+3\end{aligned}$

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