underset(("Hydrated salt"))((A))underset("heated")overset("Strongly")rarr ubrace(B+C)_("Transparent glassy bead") H_(2)BO_(3) overset("Strongly")underset("heated")rarr C+D Find the number of tetrahedral and trigonal planar units in structure of A:

underset(("Hydrated salt"))((A))underset("heated")overset("Strongly")r

1.	underset(("Hydrated salt"))((A))underset("heated")overset("Strongly")rarr ubrace(B+C)_("Transparent glassy bead") H_(2)BO_(3) overset("Strongly")underset("heated")rarr C+D Find the number of tetrahedral and trigonal planar units in structure of A:
Answer» 2,1 2,2 2,4 5,2 Answer :B