Question

are the electron movements shown legal? i ii a. yes yes b. yes no c. no yes d. no no

Explanation:

For I, the lone - pair of electrons on nitrogen can move towards the positive charge, which is a valid electron - pushing mechanism. For II, electrons cannot move from a positive charge (a cation) to itself as there is no source of electrons in the correct direction for such a movement.

Answer:

B. yes, no