The electron-domain geometry of the AsF5 molecule is trigonal bipyramidal. The hybrid orbitals used by the As atom for bonding are ________ orbitals.
A) sp2d2
B) sp3
C) sp3d2
D) sp3d
E) sp2
Question 2
Predict the product in the combination reaction below. Al (s) + N2 (g) ________
A) AlN
B) Al3N
C) AlN2
D) Al3N2
E) AlN3
Question 3
In general, as activation energy increases, reaction rate ________.
A) goes down if the reaction is exothermic
B) goes down if the reaction is endothermic
C) stays the same regardless of whether the reaction is exothermic or endothermic
D) goes down regardless of whether the reaction is exothermic or endothermic
E) none of the above