Lidocaine, a common injectable dental anesthetic, is available as a 1% lidocaine-HCl solution, as shown on the following drug label. Lidocaine-HCl is a(n)
A) weak acid.
B) base.
C) salt.
D) strong acid.
E) unstable molecule.

Question

Lidocaine, a common injectable dental anesthetic, is available as a 1% lidocaine-HCl solution, as shown on the following drug label. Lidocaine-HCl is a(n) 
A) weak acid. 
B) base. 
C) salt. 
D) strong acid. 
E) unstable molecule.

Quizplus · Accepted Answer

Lidocaine-HCl is a salt, as indicated by the -HCl ending, which means it is a combination of a weak base (lidocaine) and a strong acid (hydrochloric acid).

Lidocaine, a Common Injectable Dental Anesthetic, Is Available as a 1