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7th of March 2017
Chemistry
Q:

What happens when borax solution is acidified and when it is hydrolysed?

Nisha_vini29 - CBSE - Class XI Science

Tuesday, March 07, 2017 at 17:50:PM

A:

Borax acid is formed when it is acidified.

Na2B4O7  + 2HCl + 5H2O → 2NaCl + 4H3BO3

Borax is a weak acid so it is slightly hydrolyzed in solution and is alkaline in nature.

B2O72- + 7H2O →2OH- + 4H3BO3

Tuesday, March 07, 2017 at 17:59:PM