Reaction of silicon with coke at a high temperature is a/an ___________ reaction.

exothermic

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endothermic

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neutral

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explosive

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Solution

The correct option is B endothermic
The reduction of $S i O_{2}$ also takes place at very high temperatures as per the following chemical reaction.

$S i O_{2} + 2 C ⟶ S i + 2 C O$
This reaction needs energy to carry forward so it is an endothermic reaction.

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