Which of the following best explains which compound is more acidic?HF or HBr

Bonus question Histidine an amino acid has the following structure. Rank the indicated protons in order of increasing acidity.

Which of the following represents the ground state electron configuration for a phosphorous atom?

What is the ground-state electronic configuration of a sodium cation?

What are the formal charges of boron and nitrogen, respectively, in the following structure?

The C2–C3 bond in the following compound results from the overlap of which orbitals?

Bonus question Which of the indicated protons would be most acidic?

Which of the following best explains if H2O is a suitable reagent to protonate the compound shown below.

Bonus question Enalapril, is a drug used in the treatment of heart disease. What is the hybridization state at the indicated atoms in Enalapril?

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