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(A) The reduction of boron trioxide $(B_2O_3)$ with metals like magnesium $(Mg)$ or sodium $(Na)$ typically yields amorphous boron.However,the reducti

Vedclass · Accepted Answer

$B_2O_3 + 2Al \rightarrow 2B + Al_2O_3$

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(A) The reduction of boron trioxide $(B_2O_3)$ with metals like magnesium $(Mg)$ or sodium $(Na)$ typically yields amorphous boron.However,the reduction of $B_2O_3$ with aluminum $(Al)$ at high temperatures is a common method used to obtain crystalline boron.Therefore,the reaction $B_2O_3 + 2Al \rightarrow 2B + Al_2O_3$ is the one that yields the crystalline variety of boron.

Which of the following reactions will yield the crystalline variety of boron?

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