Acidic cleavage of which ether will yield the following products? A: 1-propoxypropane
B: 2-(sec-butoxy)butane
C: 1-isopropoxypropane
D: 2-propoxybutane
E: None of the choices are correct.

There is one s orbital, and there are three p orbitals, five d orbitals, and seven f orbitals. thus, the answer is b. do not confuse the number of orbitals in a subshell with the number of electrons the subshell can hold. each orbital can hold two electrons, so the capacity of an nf subshell is 14 electrons.