On the addition of mineral acid to an aqueous solution of bo... | CHEMISTRY - USES OF BORON AND ALUMINIUM AND THEIR COMPOUNDS | SolveeIt | Solveeit

Today, August 18

Question

On the addition of mineral acid to an aqueous solution of borax, the compound formed is:

A

Borodihydride

B

Orthoboric acid

C

Metaboric acid

D

Pyroboric acid

Answer

Orthoboric acid

Explanation

Solution

Na2B4O7 + H2SO4 + 5H2O $\longrightarrow$ Na2SO4 + 4H3BO3