What are the formal charges on the atoms indicated for the following structure?

The sigma bond that is part of C=N in the following compound results from the overlap of which orbitals? 

What is the ground-state electronic configuration of a chlorine anion (Cl—)?

The following reaction mechanism contains mistakes. Which of the following statements correctly describes how the first curved arrows should be drawn?

What is the order of decreasing bond length for a C-C bond composed of the following molecular orbitals? 

For the following reaction identify the acid, base, conjugate acid and conjugate base.

Which of the following structures have carbon with sp2 hybridization state?

For the following reaction, respectively identify the Brønsted-Lowry acid and the conjugate base.

Which of the indicated carbon atoms in the following compound have an sp2 hybridization state?

For the following compound identify the indicated lone pairs as localized or delocalized.