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Nitrous Oxide

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Question

Explain what happens when boric acid is heated.

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Solution

When boric acid is heated, boron trioxide is obtained.
$H_{3} B O_{3} H e a t - -- \to 373 K H B O_{2} Metaboric acid + H_{2} O$

$4 H B O_{2} H e a t - --- \to - H_{2} O H_{2} B_{4} O_{7} H e a t - -- \to 2 B_{2} O_{3} Boron trioxide + H_{2} O$

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