1. Which one of the following compounds is a Bronsted-Lowry base?
a) CH3CO2
b) NH3
c) H2SO4
d) HCl
e) CH3
2. Which compound do you expect to have the lowest pKa?
a) HCl
b) NH3
c) CH3CH2OH
d) CH4
e) H2SO4
3. Which compound do you expect to have the lowest pKa?
a) HCl
b) NH3
c) CH3CH2OH
d) CH4
e) H2SO4
4) What is the strongest base?
a) CH3COOH
b) CH3COO-
c) CH3CH2OH
d) CH3CH2O-
1. Which one of the following compounds is a Bronsted-Lowry base? a) CH3CO2 b) NH3 c)...
Order Strongest to weakest Bronsted-Lowry Acid? a) H-NO2, b) H-ON, c) H-ONO d) H-NO Order Strongest to weakest Bronsted-Lowry Base? a) I- b)Cl- c) F- d) Br- Order Strongest to weakest Bronsted-Lowry Acid? a) CH4, b) H2O, c) SiH4 d) H2S e) NH4 f) PH3 What is the Lewis base? a) CH4, b) H2O, c) SiH4 d) H2S e) NH4 f) PH3
1) Which of the following is a Bronsted-Lowry base but not an Arrhenius base? a) NH4^+, b) HCl, c) KOH, d) Na^+, e) F^- 2) Which of the following reactions will be product favored? a) H2PO4^- + HCOOH, b) HSO3^- + NH3, c) H2CO3 + NO2^-, d) H2S + F^- 3) what effect will the addition of H2CO3 have on the autoionization equilibrium of water? a) more hydroxide ions will be produced by autonization of water. b) reversing the autoinozation...
2. Which of the following are acid-base reactions according to the Bronsted-Lowry theory? Bry + FeBr FeBrA + Br LAICI+ C = AICI I. CH3NH2 + HCI CH3NH,CI е е N. CH3NH2 + BF, CH3NH2BF V. (CH3)COH + Hyso, (CH4)2 + H2 + Hso. b) III, V c) IV, v d) II, III a) I, II
Based on the reaction shown below, which of the following reactants represents the Bronsted-Lowry base ? HNO3 (aq) + NH3 (aq) - NH4+ (aq) + NO3- (aq) A) NO3 B) NH3 C) NH4+ D) HNO3 О В ОА D
6. There are two major theories of acids and bases in aqueous solutions: Arrhenius and Bronsted. a) In your own words, briefly explain the main difference between the two theories of acids and bases b) Which theory do you think is the most useful in chemistry? Explain your choice. c) Which of the following is an Arrhenius acid? A) H2SO4: B) LiOH; C) NH2CH3; D) CH3CH3; E) More than one of these is an Arrhenius acid. d) Which of the...
According to the Bronsted-Lowry definition, which chemical in the following reaction is the base? H3PO4 + NH3 -> NH4+ + H2PO4- NH3 NH4+ H2PO4- H3PO4 none of the above _____________________ A gas at a temperature of 105 degrees C occupies a volume of 250 mL. Assuming constant pressure, determine the volume at 10 degrees C
Acids and bases: Part I Consider the following reactions: (a) 2 NH3 + Ag+ → [Ag(NH3)2]+ (b) NH4+ + CO32- → NH3 + HCO3- (c) 2 HBr + Ca(OH)2 → CaBr2 + 2 H2O Match with the definitions that apply for the substances indicated. Note: In a given reaction, the same definition must apply for both the acid and base for it to hold true. Choices: a)Lewis-base b)Bronsted-Lowry and Lewis Base c) Lewis acid d) Arrhenius, Bronsted-Lowry, and Lewis acid...
When NH3 is added to water, the following process occurs: NH3 (aq) + H2O (1) + NH4+ (aq) + OH- (aq) In this process, what is the role of NH3? Both an Arrhenius Base and a Bronsed-Lowry Base A Bronsted-Lowry Acid An Arrehenius Acid An Arrhenius Base A Bronsted-Lowry Base Molecular level views of three aqueous solutions (A, B, and C) are shown below (H20 molecules have been omitted for clarity, and because I'm lazy...): (A) (B) (C) + Which...
According to the Bronsted-Lowry theory, which of the following is not a conjugate acid-base pair? A) H3O+ / OH- B) CH3OH2+ / CH3OH C) HI / I- D) H2 / H-
6.) Which of the following cannot be a Brønsted- Lowry base? A. HO ?.H20 C. NH3 D. NH4 E. SH