Consider the molecule B₂H₆. Write all possible relationships based on the formula. Fill in the blanks for the following relationships:
a) 2B + 6H = 2BH₃
b) B₂H₆ + 3O₂ = 2B₂O₃ + 3H₂O
c) 2B + 6H = B₂H₆
d) 2B + 6H = 3BH₂