When orthoboric acid (H_3BO_3) is subjected t | vedclass

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(C) On strong heating, orthoboric acid $(H_3BO_3)$ first dehydrates to form metaboric acid $(HBO_2)$ and water. Upon further heating, metaboric acid d

Vedclass · Accepted Answer

boric anhydride

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(C) On strong heating, orthoboric acid $(H_3BO_3)$ first dehydrates to form metaboric acid $(HBO_2)$ and water. Upon further heating, metaboric acid decomposes into boric oxide $(B_2O_3)$, also known as boric anhydride, and water. The overall reaction is: $2 H_3BO_3 \xrightarrow{\Delta} B_2O_3 + 3 H_2O$

When orthoboric acid $(H_3BO_3)$ is subjected to strong heating, the residue left is

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