Chemistry - Complete Pblock- Question with Solution | TestHub

Borax is actually made of two tetrahedral and two triangular units joined together and should be written as :

Na₂[B₄O₅(OH)₄]·8H₂O.

Consider the following statements about borax:

1. Each boron atom has four B-O bonds.

2. Each boron atom has three B-O bonds.

3. Two boron atoms have four B-O bonds while the other two have three B-O bonds.

4. Each boron atom has one -OH group.

Select the correct statement(s).