Which of the following is not a conjugate acid-base pair? A H20 and H30+ B. H3PO4...

Question

Question

Which of the following is not a conjugate acid-base pair? A H20 and H30+ B. H3PO4 and H2PO4 C. H3PO4 and HPO42- D. HPO42- and

science chemistry

Answer 1

Answer #1

A conjugate acid-base pair differ in a proton. Clearly, all the given options except Option C differ by a proton.

Therefore, Option C isn't an example of conjugate acid-base pair.

Answer 2

Similar Homework Help Questions

Which of the following is a conjugate acid/ base pair? A) H3PO4, PO43- B) H2PO4 ,...

Which of the following is a conjugate acid/ base pair? A) H3PO4, PO43- B) H2PO4 , PO43- C) HPO42-, PO43- D) H3PO4, HPO42-
18. Which of the following is the conjugate base of the dihydrogenphosphate ion, H2PO4-? A) H3PO4...

18. Which of the following is the conjugate base of the dihydrogenphosphate ion, H2PO4-? A) H3PO4 B) NaH2PO4 C) OH- D) HPO42- E) PO43-
1. Identify the acid, base, conjugate acid and conjugate base in the following reaction: HPO42+ H20...

1. Identify the acid, base, conjugate acid and conjugate base in the following reaction: HPO42+ H20 OH H2PO4 2. Calculate the following a) pH of a [H30*] = 2.76 x 104 M b) pH of a [OH] - 8.5 x 10-6 M c) [H30*] and [OH] for a soln pH 5.73 3. Show how an incoming acid [H30*] is neutralized by the buffer system HCO3 /CO32 system. You should also be able to show the neutralization of incoming base [OH']...

Phosphoric acid is a triprotic acid in water, ionizing in the following sequential steps: H3PO4+H204H2PO4 +H30+...

Phosphoric acid is a triprotic acid in water, ionizing in the following sequential steps: H3PO4+H204H2PO4 +H30+ K. = 7.11 x 10-3 H2PO4 + H20 5 HPO42- +H30+ K. -6.32 x 10-8 HPO42- + H20 PO43- +H30+ K. - 4.5 x 10-13 What is the pH of a 0.20 MH3PO4 solution? 04.09 5.37 2.15 2.84 1.46
Question 38 (1 point) Which of the following is the conjugate acid of HPO42- H3PO4 H2P04...

Question 38 (1 point) Which of the following is the conjugate acid of HPO42- H3PO4 H2P04 PO43- H30*
1) For the following reaction, which of the following is a conjugate acid-base pair? HC20(aq)+ H20)...

1) For the following reaction, which of the following is a conjugate acid-base pair? HC20(aq)+ H20) H:0 (aq) C0,(aq) a. HC20 and H20 b. H20 and C202 c. HC20 and H30 d. HCzOr and C20 2) The pH of a solution of hydrochloric acid is 1.5. What is the concentration of the acid? a. 0.22 mol/dm b. 0.32 mol/dm3 c. 3.2x 102 mol/dm d. 2.2x 10-3 mol/dm 3) Which of the following diagrams represents the acid with the highest pH?...

Which type of phosphate should be used as the conjugate acid to generate a buffer with...

Which type of phosphate should be used as the conjugate acid to generate a buffer with a pH of 7.0? a. H3PO4 b. H2PO4- c. HPO42- d. PO43-
H3PO4 is a triprotic weak acid. What is the balanced equilibrium defined as Ka2 of H3PO4?...

H3PO4 is a triprotic weak acid. What is the balanced equilibrium defined as Ka2 of H3PO4? O H2PO4 (aq) + H2O(l) =H2O*(aq) +HPO42- (aq) HPO42- (aq) + H2O(1) = OH(aq) + H2PO4 (aq) O HPO42-(aq) + H2O(1) =H20*(aq) + PO43-(aq) O H2PO4 (aq) + H2O(l) = OH" (aq) + H3PO4(aq) O H3PO.(aq) + H2O(1) =H30*(aq) + H2PO4 (aq)
1. Which of the following is NOT acidic? A. Lemons B. Lye C. Vinegar D. Soda...

1. Which of the following is NOT acidic? A. Lemons B. Lye C. Vinegar D. Soda 2. What is the proper name for HNO3? A. Nitrate acid B. Nitric acid C. Nitrous acid D. Hydronitric acid 3. The conjugate acid and base of the ion, H2PO4, are: Conjugate Acid Conjugate Base H30+ OH H30+ PO43- H3PO4 HPO42- H3PO4 PO43- Love 4. What is the H+ concentration in a solution with a pol of 10.25? A. 5.6 x 103 M B....

Which of the following is not a conjugate acid base pair? a) HCO3-, CO3^2- b) H3O+,...

Which of the following is not a conjugate acid base pair? a) HCO3-, CO3^2- b) H3O+, H2O c) H2PO4-, PO4^3- d) NH3, NH2-