Ch.15 - Acid and Base EquilibriumWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Based on Brønsted-Lowry theory, which of the following are acid-base reactions Choose all answers that apply:a. NH3 + NH3 ⇌ NH4+ + NH2−b. Zn(s) + 2HCl(aq) → H 2(g) + ZnCl2(aq)c. 2Cr(s) + 3Cl 2(g) → 2C

Problem

Based on Brønsted-Lowry theory, which of the following are acid-base reactions 

Choose all answers that apply:

a. NH+ NH⇌ NH4+ NH2

b. Zn(s) + 2HCl(aq) → H 2(g) + ZnCl2(aq)

c. 2Cr(s) + 3Cl 2(g) → 2CrCl3(s)

d. LiOH(aq) + HBr(aq) → H2O(l) + LiBr(aq)

Solution

We are asked to identify the acid-base reactions based on the Brønsted-Lowry definition. 

According to Brønsted and Lowry, an acid was classified as a proton donor while a base was a proton acceptor. 

Bronsted-Lowry acid → proton (H+) donor

Bronsted-Lowry base → proton (H+) acceptor

So we look at each reaction and identify if there is a proton that has been transferred. 

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