a. H3O+ and H2I+ b. H3O+ and I- c. H3O+ and OH-
d. OH- and H2I+ e. OH- and I-
Q.16:-. Which of the following properties would indicate an acid?
I. pH less than 7 II. Turns litmus paper to a blue color.
III. Turns phenolphthalein to a pink color.
a. I only b. II only c. I and II d. I and III e. II and III
Q.17:- Which of the following reactions would indicate a base?
a. reacts with water to give H3O+ b. reacts with water to give H2
c. reacts with a metal to give H2 d. reacts with HCO3- to give CO2
e. reacts with NH4+ to give NH3
Q.18:- An electron pair acceptor is: