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-
Which of the following pairs does not show an acid and its conjugate base?
L) . 1 10 111 35) Which of the following is NOT a conjugate acid-base pair? A) NH4+ and NH3 B) HSO4 and SO42– C) H2PO- and HPO2- D) HNO3- and NO3+ E) HClO2 and ClO2-
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)
Which of the following represent conjugate acid-base pairs? a. H2O, H3O+ b. OH-, HNO3 c. H2SO4, SO4-2 d. HC2H3O2, C2H3O2-
11. which of the following pairs of species is a conjugate acid-base pair? a. NaF, F b. NHs, NH c. H30+, ОН- d. H2CO3, CO32 8. which of the following salts is most likely to form an aqueous solution having the pH <7? a. NaBr b. LiNO3 c. NH4CI d. RbCN 2. which of the following pairs of species is not a conjugate acid-base pair? a. OH, H b. HOCI, OCh c. HSO4,SO42 d. H2CO3, HCO3 11. which of the...
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
7. Identify the conjugate acid base pairs in the following chemical equation: CN (aq) + CH3NH3 (aq) a. HCN(aq) CH3NH2 (aq) b. HSO4 (aq) HO (I)SO42(aq) + H20(aq)
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-
6. Identify the conjugate acid-base pairs in the following chemical equations. Circle each member of one conjugate acid-base, and box each member of the other conjugate acid-base pair for each reaction. a) HNO3 (aq) + NH3(aq) = NO3- (aq) + NH4+ (aq) b) HBr (aq) + (CH3)2NH (aq) = Br (aq) + (CH3)2NH2+ (aq)
Choose pairs in which the species listed first is the conjugate base of the species listed second. (Select all that apply.) [CH3NH2 CH3NH3+] ? [H+ OH-] ? [C2H3O2- HC2H3O2] ? [HSO4- SO42-] ?
please explain 3,4,and 5 thanks Diassociate 3. Which of the following is not a conjugate acid-base pair? a. H2SO4, SO4 b. HNO3, NO3 c. HC2H302, C2H302 d. H2PO4 , HPO4 e. HBr, Br 4. Which of the following is a conjugate acid-base pair? a. HNO3, H2NO3 b. HNH, NH, c. H F, HF d. HPO,2,PO e. HCN, CN 5. Choose the case that is not a Bronsted conjugate acid-base pair. a. CH3NH3", CH3NH2 b. HCN, CN c. HCIO, CIO2 d....