Filters
Question type
Study Flashcards

Label the axes on the UV-vis spectrum below. Label the axes on the UV-vis spectrum below.

Correct Answer

verifed

verified

Which of the following stretching vibrations will appear at the highest frequency?


A) Which of the following stretching vibrations will appear at the highest frequency? A) B) C) D) E)
B) Which of the following stretching vibrations will appear at the highest frequency? A) B) C) D) E)
C) Which of the following stretching vibrations will appear at the highest frequency? A) B) C) D) E)
D) Which of the following stretching vibrations will appear at the highest frequency? A) B) C) D) E)
E) Which of the following stretching vibrations will appear at the highest frequency? A) B) C) D) E)

Correct Answer

verifed

verified

Which of the following would you expect to have the longest λmax?


A) Which of the following would you expect to have the longest λ<sub>max</sub>? A) B) C) D) E)
B) Which of the following would you expect to have the longest λ<sub>max</sub>? A) B) C) D) E)
C) Which of the following would you expect to have the longest λ<sub>max</sub>? A) B) C) D) E)
D) Which of the following would you expect to have the longest λ<sub>max</sub>? A) B) C) D) E)
E) Which of the following would you expect to have the longest λ<sub>max</sub>? A) B) C) D) E)

Correct Answer

verifed

verified

Which of the following compounds is consistent with the IR spectrum shown below? Which of the following compounds is consistent with the IR spectrum shown below? A) B) C) D) E)


A) Which of the following compounds is consistent with the IR spectrum shown below? A) B) C) D) E)
B) Which of the following compounds is consistent with the IR spectrum shown below? A) B) C) D) E)
C) Which of the following compounds is consistent with the IR spectrum shown below? A) B) C) D) E)
D) Which of the following compounds is consistent with the IR spectrum shown below? A) B) C) D) E)
E) Which of the following compounds is consistent with the IR spectrum shown below? A) B) C) D) E)

Correct Answer

verifed

verified

Which of the following would show a C Which of the following would show a C O stretch at the lowest frequency in its IR spectrum? A) B) C) D) E) O stretch at the lowest frequency in its IR spectrum?


A) Which of the following would show a C O stretch at the lowest frequency in its IR spectrum? A) B) C) D) E)
B) Which of the following would show a C O stretch at the lowest frequency in its IR spectrum? A) B) C) D) E)
C) Which of the following would show a C O stretch at the lowest frequency in its IR spectrum? A) B) C) D) E)
D) Which of the following would show a C O stretch at the lowest frequency in its IR spectrum? A) B) C) D) E)
E) Which of the following would show a C O stretch at the lowest frequency in its IR spectrum? A) B) C) D) E)

Correct Answer

verifed

verified

Label the axes on the IR spectrum below. Label the axes on the IR spectrum below.

Correct Answer

verifed

verified

What type of electron transition would create an absorption band at the longest wavelength in the UV-vis spectrum of the molecule below? What type of electron transition would create an absorption band at the longest wavelength in the UV-vis spectrum of the molecule below? A) B) C) D) E)


A) What type of electron transition would create an absorption band at the longest wavelength in the UV-vis spectrum of the molecule below? A) B) C) D) E)
B) What type of electron transition would create an absorption band at the longest wavelength in the UV-vis spectrum of the molecule below? A) B) C) D) E)
C) What type of electron transition would create an absorption band at the longest wavelength in the UV-vis spectrum of the molecule below? A) B) C) D) E)
D) What type of electron transition would create an absorption band at the longest wavelength in the UV-vis spectrum of the molecule below? A) B) C) D) E)
E) What type of electron transition would create an absorption band at the longest wavelength in the UV-vis spectrum of the molecule below? A) B) C) D) E)

Correct Answer

verifed

verified

What is the approximate energy difference between the HOMO and LUMO of a molecule that shows absorption bands at 286 nm,438 nm,and 472 nm in its UV-vis spectrum?


A) 4.54 × 10-19 J
B) 6.95 × 10-19 J
C) 7.24 × 10-19 J
D) 3.98 × 10-19 J
E) 4.21 × 10-19 J

Correct Answer

verifed

verified

Which of the following wavelengths corresponds to the photon with the highest energy?


A) 385 nm
B) 425 nm
C) 318 nm
D) 538 nm
E) 647 nm

Correct Answer

verifed

verified

Briefly explain why acetone absorbs at a longer λmax than isobutylene. Briefly explain why acetone absorbs at a longer λ<sub>max</sub> than isobutylene.

Correct Answer

verifed

verified

The HOMO of acetone is at a higher energ...

View Answer

An unknown compound has the molecular formula C3H7ON.Draw a structure of the unknown that is consistent with the IR spectrum below. An unknown compound has the molecular formula C<sub>3</sub>H<sub>7</sub>ON.Draw a structure of the unknown that is consistent with the IR spectrum below.

Correct Answer

verifed

verified

Which of the following compounds would be consistent with the IR spectrum shown below? Briefly explain your reasoning. Which of the following compounds would be consistent with the IR spectrum shown below? Briefly explain your reasoning.

Correct Answer

verifed

verified

Compound A is the most consistent with t...

View Answer

What carbonyl-containing functional group is indicated by the IR spectrum below? What carbonyl-containing functional group is indicated by the IR spectrum below?

Correct Answer

verifed

verified

A compound whose molecular formula is C5H8O shows a strong absorption band at 1692 cm1.Draw a structure consistent with this information.

Correct Answer

verifed

verified

Describe how you could use IR spectroscopy to distinguish between the two isomers shown below. Describe how you could use IR spectroscopy to distinguish between the two isomers shown below.

Correct Answer

verifed

verified

Compound A should exhibit a carboxylic a...

View Answer

What two functional groups are likely indicated by the peaks labeled A and B in the IR spectrum below? What two functional groups are likely indicated by the peaks labeled A and B in the IR spectrum below?

Correct Answer

verifed

verified

Peak A likely represents a pri...

View Answer

Which of the two isomers shown below would exhibit a stronger C Which of the two isomers shown below would exhibit a stronger C C stretching absorption band? Explain your answer. C stretching absorption band? Explain your answer. Which of the two isomers shown below would exhibit a stronger C C stretching absorption band? Explain your answer.

Correct Answer

verifed

verified

The isomer with the terminal alkene (B)w...

View Answer

Rank the following in order of increasing C Rank the following in order of increasing C O stretching frequency. A) 2 < 1 < 3 B) 3 < 1 < 2 C) 1 < 2 < 3 D) 2 < 3 < 1 E) 3 < 2 < 1 O stretching frequency. Rank the following in order of increasing C O stretching frequency. A) 2 < 1 < 3 B) 3 < 1 < 2 C) 1 < 2 < 3 D) 2 < 3 < 1 E) 3 < 2 < 1


A) 2 < 1 < 3
B) 3 < 1 < 2
C) 1 < 2 < 3
D) 2 < 3 < 1
E) 3 < 2 < 1

Correct Answer

verifed

verified

Which of the following bonds would have the lowest stretching vibrational frequency?


A) Which of the following bonds would have the lowest stretching vibrational frequency? A) B) C) D) E)
B) Which of the following bonds would have the lowest stretching vibrational frequency? A) B) C) D) E)
C) Which of the following bonds would have the lowest stretching vibrational frequency? A) B) C) D) E)
D) Which of the following bonds would have the lowest stretching vibrational frequency? A) B) C) D) E)
E) Which of the following bonds would have the lowest stretching vibrational frequency? A) B) C) D) E)

Correct Answer

verifed

verified

A compound has the molecular formula C7H6N2.Determine its structure based on the spectrum below. A compound has the molecular formula C<sub>7</sub>H<sub>6</sub>N<sub>2</sub>.Determine its structure based on the spectrum below.

Correct Answer

verifed

verified

Showing 21 - 40 of 50

Related Exams

Exam 1

Atomic and Molecular Structure

54 Questions

Exam 2

Interchapter: Nomenclature 1-4

77 Questions

Exam 3

Interchapter 1molecular Orbital Theory and Chemical Reactions

17 Questions

Exam 4

Three-Dimensional Geometry,intermolecular Interactions,and Physical Properties

53 Questions

Exam 5

Orbital Interactions 1: Hybridization and Two-Center Molecular Orbitals

56 Questions

Exam 6

Isomerism 1: Conformational and Constitutional Isomers

60 Questions

Exam 7

Isomerism 2: Chirality,enantiomers,and Diastereomers

63 Questions

Exam 8

The Proton Transfer Reaction: an Introduction to Mechanisms,thermodynamics,and Charge Stability

51 Questions

Exam 9

An Overview of the Most Common Elementary Steps

58 Questions

Exam 10

An Introduction to Multistep Mechanisms: Sn1 and E1 Reactions

59 Questions

Exam 11

Nucleophilic Substitution and Elimination Reactions 1: Competition Among Sn2,sn1,e2,and E1 Reactions

50 Questions

Exam 12

Nucleophilic Substitution and Elimination Reactions 2: Reactions That Are Useful for Synthesis

58 Questions

Exam 13

Electrophilic Addition to Nonpolar Π Bonds 1: Addition of a Brønsted Acid

50 Questions

Exam 14

Electrophilic Addition to Nonpolar Π Bonds 2: Reactions Involving Cyclic Transition States

55 Questions

Exam 15

Organic Synthesis 1: Beginning Concepts

50 Questions

Exam 16

Orbital Interactions 2: Extended Π Systems,conjugation,and Aromaticity

54 Questions

Exam 18

Structure Determination 2: Nuclear Magnetic Resonance Spectroscopy and Mass Spectrometry

60 Questions

Exam 19

Nucleophilic Addition to Polar Π Bonds 1: Addition of Strong Nucleophiles

50 Questions

Exam 20

Nucleophilic Addition to Polar Π Bonds 2: Addition of Weak Nucleophiles and Acid and Base Catalysis

63 Questions

Exam 21

Organic Synthesis 2: Intermediate Topics in Synthesis Design,and Useful Reduction and Oxidation Reactions

50 Questions

Exam 22

Nucleophilic Additionelimination Reactions 1: the General Mechanism Involving Strong Nucleophiles

55 Questions

Exam 23

Nucleophilic Additionelimination Reactions 2: Weak Nucleophiles

54 Questions

Exam 24

Electrophilic Aromatic Substitution 1: Substitution on Benzene; Useful Accompanying Reactions

50 Questions

Exam 25

Electrophilic Aromatic Substitution 2: Substitution on Mono- and Disubstituted Benzene and Other Aromatic Rings

50 Questions

Exam 26

The Dielsalder Reaction and Other Pericyclic Reactions

53 Questions

Exam 27

Reactions Involving Free Radicals

50 Questions

Exam 28

Polymers

51 Questions

Show Answer