The donor sites of (EDTA)4− are
O atoms only
N atoms only
Two N atoms and four O atoms
Three N atoms and three O atoms
The donor sites of (EDTA)4– are ?
Borax is actually made of two tetrahedra and two triangular units joined together and should be written as: Na2[B4O5(OH)4]·8H2O
The correct statement/s about borax is/are:
a. Each boron atom has four B-O bonds
b. Each boron atom has three B-O bonds
c. Two boron atoms have four B-O bonds while other two have three B-O bonds
d. Each boron atom has one -OH groups