Exam 7: Acids and Bases

Many solvents self ionize to form an anion and cation that are the Brønsted- Lowry base and acid of the original solvent. Match the ions with the solvent from which they are generated. -H₂O

(Multiple Choice)

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Question 21

Sn²⁺is rapidly oxidised to Sn⁴⁺ in solution. Hydrolysis of Sn⁴⁺ ions causes the pH of the solution to rise.

(True/False)

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Question 22

Which of the following species could be described as Lewis acids? Please select all that apply.

(Multiple Choice)

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Question 23

NH₃ is a Brønsted-Lowry base and a Lewis base.

(True/False)

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Question 24

A polybasic acid is an acid with more than one ionisable ________ atom.

(Short Answer)

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Question 25

The pH of a 0.345 mol dm^-3 solution of nitric acid is 0.46.

(True/False)

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Question 26

CaO is described as being a basic oxide because it forms an alkaline solution with water.

(True/False)

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Question 27

Showing 21 - 27 of 27

Many solvents self ionize to form an anion and cation that are the Brønsted- Lowry base and acid of the original solvent. Match the ions with the solvent from which they are generated. -H₂O

Sn²⁺is rapidly oxidised to Sn⁴⁺ in solution. Hydrolysis of Sn⁴⁺ ions causes the pH of the solution to rise.

Which of the following species could be described as Lewis acids? Please select all that apply.

NH₃ is a Brønsted-Lowry base and a Lewis base.

A polybasic acid is an acid with more than one ionisable ________ atom.

The pH of a 0.345 mol dm^-3 solution of nitric acid is 0.46.

CaO is described as being a basic oxide because it forms an alkaline solution with water.

Fundamentals

The Language of Organic Chemistry

Atomic Structure and Properties

Diatomic Molecules

Polyatomic Molecules

Solids

Gases

Reaction Kinetics

Molecular Spectroscopy

Analytical Chemistry

Molecular Characterisation

Energy and Thermochemistry

Entropy and Gibbs Energy

Electrochemistry

Phase Equilibrium and Solutions

Isomerism and Stereochemistry

Organic Reaction Mechanisms

Halogenoalkanes: Substitution and Elimination Reactions

Alkenes and Alkynes: Electrophilic Addition and Pericyclic Reactions

Benzene and Other Aromatic Compounds: Electrophilic Substitution Reactions

Aldehydes and Ketones: Nucleophilic Addition and Α-Substitution Reactions

Carboxylic Acids and Derivatives: Nucleophilic Acyl Substitution and Α-Substitution Reactions

Hydrogen

S-Block Chemistry

P-Block Chemistry

D-Block Chemistry

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Exam 7: Acids and Bases

Many solvents self ionize to form an anion and cation that are the Brønsted- Lowry base and acid of the original solvent. Match the ions with the solvent from which they are generated. -H2O

Sn2+ is rapidly oxidised to Sn4+ in solution. Hydrolysis of Sn4+ ions causes the pH of the solution to rise.

Which of the following species could be described as Lewis acids? Please select all that apply.

NH3 is a Brønsted-Lowry base and a Lewis base.

A polybasic acid is an acid with more than one ionisable ________ atom.

The pH of a 0.345 mol dm-3 solution of nitric acid is 0.46.

CaO is described as being a basic oxide because it forms an alkaline solution with water.

Fundamentals

The Language of Organic Chemistry

Atomic Structure and Properties

Diatomic Molecules

Polyatomic Molecules

Solids

Gases

Reaction Kinetics

Molecular Spectroscopy

Analytical Chemistry

Molecular Characterisation

Energy and Thermochemistry

Entropy and Gibbs Energy

Electrochemistry

Phase Equilibrium and Solutions

Isomerism and Stereochemistry

Organic Reaction Mechanisms

Halogenoalkanes: Substitution and Elimination Reactions

Alkenes and Alkynes: Electrophilic Addition and Pericyclic Reactions

Benzene and Other Aromatic Compounds: Electrophilic Substitution Reactions

Aldehydes and Ketones: Nucleophilic Addition and Α-Substitution Reactions

Carboxylic Acids and Derivatives: Nucleophilic Acyl Substitution and Α-Substitution Reactions

Hydrogen

S-Block Chemistry

P-Block Chemistry

D-Block Chemistry

Filters

Many solvents self ionize to form an anion and cation that are the Brønsted- Lowry base and acid of the original solvent. Match the ions with the solvent from which they are generated. -H₂O

Sn²⁺is rapidly oxidised to Sn⁴⁺ in solution. Hydrolysis of Sn⁴⁺ ions causes the pH of the solution to rise.

NH₃ is a Brønsted-Lowry base and a Lewis base.

The pH of a 0.345 mol dm^-3 solution of nitric acid is 0.46.