Answer :

Let the oxidation number(O.N.) of B be ‘x’


We know that,


O.N. of Na = + 1


O.N. of H = -1


Therefore , we have,


1(+ 1) + 1(x) + 4(-1) = 0


1 + x-4 = 0


X = + 3


The O.N. of B is + 3.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses