17. Acid and Base Equilibrium

Bronsted-Lowry Acids and Bases

17. Acid and Base Equilibrium

Bronsted-Lowry Acids and Bases

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Bronsted-Lowry Acids vs Bases

Bronsted-Lowry Acids and Bases Example

Comparing Bronsted-Lowry and Arrhenius

Bronsted-Lowry Acids and Bases Example

Conjugate Acid-Base Pairs

Bronsted-Lowry Acids and Bases Example

Strength of Conjugate Acids and Bases

Conjugate Acid-Base Relationships

Acid and Base Strength Example

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Acid-base definitions | Chemical processes | MCAT | Khan Academy

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Acid-base definitions | Chemical processes | MCAT | Khan Academy

Khan Academy Organic Chemistry

16.1 Introduction to Acids and Bases | General Chemistry

Acids and Bases, pH and pOH

Professor Dave Explains

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Conjugate Acid Base Pairs, Arrhenius, Bronsted Lowry and Lewis Definition - Chemistry

11:37

Conjugate Acid Base Pairs, Arrhenius, Bronsted Lowry and Lewis Definition - Chemistry

The Organic Chemistry Tutor

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Practice this topic

Multiple Choice

Write the formula of the conjugate base for the following compound:

H₂Se

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Multiple Choice

Write the formula of the conjugate for the following compound:

NH₂NH₂

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Multiple Choice

Which of the following is a Bronsted-Lowry acid?

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Multiple Choice

Determine the chemical equation that would result when carbonate, CO3^2-, reacts with water.

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Multiple Choice

Which of the following is NOT a Brønsted–Lowry acid?

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Multiple Choice

Identify conjugate acid and conjugate base in the following reaction.

H₂PO₄⁻ (aq) + H₂O (l) ⇌ HPO₄²⁻ (aq) + H₃O⁺ (aq)

a) HPO₄²⁻ (conjugate acid), H₃O⁺ (conjugate base)

b) HPO₄²⁻ (conjugate base), H₃O⁺ (conjugate acid)

c) H₂PO₄⁻ (conjugate acid), H₂O (conjugate base)

d) H₂PO₄⁻ (conjugate base), H₂O (conjugate acid)

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Multiple Choice

In the following reaction, label Bronsted-Lowry acid and base, along with conjugate acid and base.

H₂C₆H₆O₆ (aq) + H₂O (l) ⇌ HC₆H₆O₆⁻ (aq) + H₃O (aq)

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Multiple Choice

Which of the following is the strongest base?

a. NO₃⁻ b. F⁻ c. Cl⁻ d. ClO₄⁻ e. H₂O

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Multiple Choice

Which of the following bases will have the weakest conjugate acid?

a. CH₃COOH b. HCl c. CH₃NH₂ d. (CH₃)₂NH e. LiOH

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Textbook Question

Which of the following is a Brønsted-Lowry base, but not an Arrhenius base? (LO 16.1) (a) HNO3 (b) CsOH (c) CH3NH2 (d) CH3OH

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Textbook Question

Consider the molecular models shown here, where X represents a halogen atom. (a) If X is the same atom in both molecules, which molecule will be more acidic?

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Textbook Question

NH31g2 and HCl(g) react to form the ionic solid NH4Cl1s2. Which substance is the Brønsted–Lowry acid in this reaction? Which is the Brønsted–Lowry base?

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Textbook Question

Give the conjugate base of the following Brønsted–Lowry acids: (i) HIO3, (ii) NH4+.

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Textbook Question

Give the conjugate base of the following Brønsted–Lowry acids: (i) HCOOH, (ii) HPO42-.

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Textbook Question

Give the conjugate acid of the following Brønsted–Lowry bases: (i) SO42-, (ii) CH3NH2.

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Textbook Question

Identify the Brønsted–Lowry acid and the Brønsted–Lowry base on the left side of each of the following equations, and also identify the conjugate acid and conjugate base of each on the right side: (b) 1CH323N1aq2 + H2O1l2Δ1CH323NH +1aq2 + OH -1aq2

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Textbook Question

Identify the Brønsted–Lowry acid and the Brønsted– Lowry base on the left side of each equation, and also identify the conjugate acid and conjugate base of each on the right side. (a) HBrO1aq2 + H2O1l2ΔH3O+1aq2 + BrO-1aq2

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Textbook Question

Label each of the following as being a strong base, a weak base, or a species with negligible basicity. In each case write the formula of its conjugate acid, and indicate whether the conjugate acid is a strong acid, a weak acid, or a species with negligible acidity: (e) NH3.

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Textbook Question

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Textbook Question

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Textbook Question

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Textbook Question

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Textbook Question

Label each of the following as being a strong acid, a weak acid, or a species with negligible acidity. In each case write the formula of its conjugate base, and indicate whether the conjugate base is a strong base, a weak base, or a species with negligible basicity: (a) HCOOH

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Textbook Question

Which of the following is the stronger Brønsted–Lowry acid, HBrO or HBr?

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Textbook Question

State whether each of the following statements is true or false. Justify your answer in each case. (a) NH3 contains no OH- ions, and yet its aqueous solutions are basic

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Textbook Question

In each reaction, identify the Brønsted–Lowry acid, the Brønsted–Lowry base, the conjugate acid, and the conjugate base. d. C5H5N(aq) + H2O(l )C5H5NH+(aq) + OH-(aq)

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Textbook Question

In each reaction, identify the Brønsted–Lowry acid, the Brønsted–Lowry base, the conjugate acid, and the conjugate base. b. NH3(aq) + H2O(l )NH4+(aq) + OH-(aq)

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Textbook Question

In each reaction, identify the Brønsted–Lowry acid, the Brønsted–Lowry base, the conjugate acid, and the conjugate base. a. H2CO3(aq) + H2O(l )H3O+(aq) + HCO3- (aq)

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Textbook Question

In each reaction, identify the Brønsted–Lowry acid, the Brønsted–Lowry base, the conjugate acid, and the conjugate base. c. CO32 - (aq) + H2O(l )HCO3-(aq) + OH-(aq)

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Textbook Question

In each reaction, identify the Brønsted–Lowry acid, the Brønsted–Lowry base, the conjugate acid, and the conjugate base. b. CH3NH2(aq) + H2O(l )CH3NH3+(aq) + OH-(aq)

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Textbook Question

Write the formula for the conjugate base of each acid. d. HF

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Textbook Question

Write the formula for the conjugate base of each acid. c. HCHO2

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Textbook Question

Write the formula for the conjugate base of each acid. a. HCl

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Textbook Question

Write the formula for the conjugate base of each acid. b. H2SO3

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Textbook Question

Write the formula for the conjugate acid of each base. c. HSO4

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Textbook Question

The following pictures represent solutions of three salts NaA (A- = X-, Y-, or Z-); water molecules and Na+ ions have been omitted for clarity.

(b) Which A- anion has the strongest conjugate acid?

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Textbook Question

The following pictures represent solutions of three salts NaA (A- = X-, Y-, or Z-); water molecules and Na+ ions have been omitted for clarity.

(a) Arrange the three A- anions in order of increasing base strength.

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Textbook Question

The hydronium ion H3O+ is the strongest acid that can exist in aqueous solution because stronger acids dissociate by transferring a proton to water. What is the strongest base that can exist in aqueous solution?

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Textbook Question

Which base in each of the following pairs has the stronger conjugate acid? See Table 16.1 to compare the relative strengths of conjugate acid-base pairs. (a) Cl- or CO32-

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Textbook Question

For each of the following slightly soluble salts, write the net ionic equation, if any, for reaction with a strong acid: (d) Hg2C2O4.

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Textbook Question

Consider the base hydroxylamine, NH2OH. (a) What is the conjugate acid of hydroxylamine?

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Textbook Question

Classify each amine reaction as acid–base or condensation and list its products. a. CH3NHCH3 + HCl ¡

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Textbook Question

Predict the stronger acid in each pair: (e) benzoic acid (C6H5COOH) or phenol (C6H5OH).

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Textbook Question

Based on their compositions and structures and on conjugate acid–base relationships, select the stronger base in each of the following pairs: (b) BrO- or BrO2-

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Textbook Question

Based on their compositions and structures and on conjugate acid–base relationships, select the stronger base in each of the following pairs: (b) PO43- or AsO43-

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Textbook Question

Determine if each anion acts as a weak base in solution. For those anions that are basic, write an equation that shows how the anion acts as a base. b. ClO-

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Textbook Question

Determine the products of each reaction. d.

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Textbook Question

Predict how each molecule or ion would act, in the Brønsted-Lowry sense, in aqueous solution by writing 'acid,' 'base,' 'both,' or 'neither' on the line provided. (b) Prozac

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Textbook Question

Which is a stronger base, S2 - or Se2 -? Explain.

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Textbook Question

Write a balanced net ionic equation for the reaction of each of the following ions with water. In each case, identify the Brønsted–Lowry acids and bases and the conjugate acid– base pairs. (a) CH3NH3+

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Textbook Question

In qualitative analysis, Ca2+ and Ba2+ are seperated from Na+, K+, Mg2+ by adding aqueous (NH4)2CO3 to a solution that also contains aqueous NH3 (Figure 17.18). Assume that the concentrations after mixing are 0.080 M (NH4)2CO3 and 0.16 M NH3. (a) List all the Bronsted-Lowry acids and based present initially, and identify the principal reaction.

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Open Question

In the reversible reaction HCN + H₂O ⇌ CN^- + H₃O⁺, the two Bronsted-Lowry acids are...

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Open Question

H2co3(aq)+h2o(l)⇌h3o+(aq)+hco3−(aq)

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Open Question

Write the formula of the conjugate acid of the Brønsted-Lowry base, (CH₃)₃N

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Open Question

Write the formula for the conjugate acid of each of the following bases.

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Open Question

Which compound forms a powerful acid and also contains a halogen? H₂S, HBr, Li₂O, or LiBr?

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Open Question

The conjugate acid of H₂O is ________.

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Open Question

Write the formula of the conjugate acid of CH₃CH₃CH₂O^-.

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Open Question

Draw the structure of the product formed when 2‑methylbutanal is treated with cold aqueous base.

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Open Question

Which is the correctly balanced chemical equation for the reaction of KOH and H₂SO₄?

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17. Acid and Base Equilibrium

Bronsted-Lowry Acids and Bases

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