MATCH Each of the Following Groups of Bond-Types to the Region

question 50

Multiple Choice

MATCH each of the following groups of bond-types to the region of the infrared spectrum in which their absorptions occur. Place the letter of the region in the blank to the left of the bond-type.
-_____ C=O, C=N, and C=C bond absorptions.

• A)4000 to 2500 cm−¹
• B)2500 to 2000 cm−¹
• C)2000 to 1500 cm−¹
• D)below 1500 cm−¹

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Definitions:

Ultrapure Dimethylamine

A highly purified form of dimethylamine, which is an organic compound used in the synthesis of a wide range of chemicals.

Proton Spectrum

The range of frequencies or energies that protons exhibit in nuclear magnetic resonance (NMR) spectroscopy, revealing molecular structure.

Carbon-Carbon Splitting

A chemical process that involves breaking the bond between two carbon atoms in a compound.

DEPT-90

A nuclear magnetic resonance (NMR) spectroscopy technique that distinguishes between CH and CH3 groups in a molecule by phase modulation.