The correct option is C BCl3
a) In ICl, I has 8 electrons in its valence shell and is an electron precise compound.
b) In NH3, N has 8 electrons in its valence shell and is an electron precise compound.
c) In BCl3, B has 6 electrons in its valence shell and is an electron deficient compound.
d) In PCl3, P has 8 electrons in its valence shell and is an electron precise compound.