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Spin-spin coupling

Authored by Diego Alonso

Chemistry

3rd Grade

Used 18+ times

Spin-spin coupling
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Protons with the same chemical environment are chemically equivalent and they appear at the same chemical shift in a 1HNMR experiment

True

False

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Dimethylmalonate has three groups of chemically equivalent protons

True

False

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a 13CNMR experiment, when a 13C couples with one atom of deuterium affords a...

Triplet

Doublet

Singlet

Doublet of doublets

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a 1HNMR experiment, when a 1H couples with one atom of 19F affords a...

Triplet

Doublet

Singlet

Doublet of doublets

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a 1HNMR experiment, when a 13C couples with one atom of 31P affords a...

Triplet

Doublet

Singlet

Non of the answers

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The following 1HNMR spectrum (CDCl3, 300 MHz) corresponds to...

1,2,2-Trichloroethane

1,1,1-Trichloroethane

1,2-Dichloroethane

1,1-Dichloroethane

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The following 1HNMR spectrum (CDCl3, 300 MHz) corresponds to...

DMF

N-Methylacetamide

Propanamide

Aminoacetone

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