help with 2,3,4,5

Chapter LTIPLE CHOICE. Choose the one alternative that best completes the statement er answer the question. 1) Which of the following is not a conjugate acid-base pair? A) NO3-, NO3- ) 11804, 113504 HO, HO- D) -OH. 02- E) HO, H30 2) What is the product formed from the following acid-base reaction when ammonia functions as a base? The equilibrium lies far to the left, favoring the reactants. CH3OH + NH3 A) CH2OH. NH3 B) CH3OH + NH4 CH3NH2H2O D) CH3OH2+ +-NH2 E) CH4NH2OH 3) Which two spedes act as bases in the acid-base equilibrium reaction shown below? e H2804 + HNO3 H2NO3 + HSO4 1 2 3 4 A) 1 and 3 B) 3 and 4 1 and 2 D2 and 4 E) 2 and 3 4) What is the pH of a 0.1 M solution of HCI? (Note: pka for HCl is-6) A)-1 B) 6 Q-8 D) -6 E) 1 5) The pk, of CH3COOH is 4.8 and the pk of HCOOH is 3.8. Given this information, one knows that A) HCOOH reacts with HO- while CH3COOH does not B) CH3COOH completely ionizes in water HCOO is a weaker base than CH3COO- D) HCOOH is a weaker acid than CH3COOH E) CH3COOH reacts with HO- while HCOOH does not