Which of the following represent conjugate acid-base pairs?
a. H2O, H3O+
b. OH-, HNO3
c. H2SO4, SO4-2
d. HC2H3O2, C2H3O2-
Which of the following represent conjugate acid-base pairs? a. H2O, H3O+ b. OH-, HNO3 c. H2SO4,...
Which of the following is/are a conjugate acid-base pair? Thanks! HNO3 and CN- H3O+ and H2O H2SO4 and HSO4- HBr and Br- H3O+ and OH-
Which of the following is NOT a conjugate acid-base pair? (a ) NH4+/NH2-. (b) H3O+/H2O (c) H2SO3/HSO3- (d) C2H3O2- /HC2H3O2 HC(e) Cal All of the above are conjugate acid-base pairs.
Which of the following is NOT a conjugate acid-base pair? Which of the following is NOT a conjugate acid-base pair? (A).H2SO3/HSO3- (B).H3O+/OH- (C).NH4+/NH3 (D).C2H3O2-/HC2H3O2 (E).All of the above are conjugate acid-base pairs.
All of the following are acid-base conjugate pairs EXCEPT A. HPO42-, PO43- B. H3O+, OH- C. CH3COOH, CH3COO- D. NH4+, NH3 E. H2O, H3O+
Which of the following are conjugate acid-base pairs? (i) H3O+/H2O (ii) NH4+/NH3 (iii) H2SO4/HSO4- (iv) H2PO4-/HPO43- Select one: a. (i)(ii) (iii) b. They all are c. (ii) and (iv) d. (i) (iv)
INH 4. Which of the following is not a conjugate acid/base pair? A) HCIO/CIO- B) H2SO4/HSO4 C) NH4+/NH3 E) all of these are conjugate acid base pairs D) H2O The poH of a 0,010 M aqueous solution of Ca(OH)2 is A) 11.70 B) 12.00 C) 12.30 D) 12.60E ) 1.70
Which of the following pairs does not show an acid and its conjugate base? Select one: a. H2SO4 and HSO4-b. HNO3 and NO3- c. H2SO4 and SO42- d. HSO4- and SO42-
(d) Conjugate acid: OH"; conjugate base: H3* (e) None of these 5. Identify the conjugate acid/base pairs in the following equation (10) HASO4 + H2O <H2AsO4 + OH (A). HASO. (acid)HAsO4 (base): H2O (acid)/ OH (base) (B). HASO4 (acid)/HASO. (base): H2O (acid)/ OH (base) (C). H2AsO4 (acid)/ OH (base) ; H2O (acid)/HASO4 (base) (D). H AsO4 and H20 (acids): OH and HASO4(bases) (E). None of these 6. Which is an INCORRECT statement?(10) a) The conjugate base of H2O is OH....
Acid Base ⇄ Conjugate Acid Conjugate Base (A) CH3COOH H2O ⇄ (B) NH3 H2O ⇄ (C) ⇄ HF OH− (D) H2O → I− (E) C5H5NH+ H2O ⇄ [H+] [OH−] pH pOH Acid, Base or Neutral (A) 1.0x10−3 M (B) 4.5x10‒8 M (C) 9.45 (D) 1.33
5. In the following reactions, identify the conjugate acid-base pairs. H2SO4 (aq) + H2O(1) → H30+ (aq) + HS0ǐ (aq) 1st pair: CH-NH2(aq) + H20(f) CH3NH扎aq) + OH-(aq) 1st pair: HF(aq) + NH3(aq) 근 NH (aq) + F-(aq) 1t pair: a. 2nd pair: 2nd pair: 2nd pair: