Which chosce best explains why the molecules below can be distinguished by IR Molecule A Molecule A has a peak just above 3000 cm³ and Molecule B does not Molecule A has a peak for an aldehyde around 2200 cm and Molecule B does not Molecule B has a carbonyl peak around 1750 cm and Molecule A does not Molecule A and Molecule B can't be easily distinguished by IR Molecule B

Which chosce best explains why the molecules below can be distinguished by IR Molecule A Molecule A has a peak just above 3000 cm³ and Molecule B does not Molecule A has a peak for an aldehyde around 2200 cm and Molecule B does not Molecule B has a carbonyl peak around 1750 cm and Molecule A does not Molecule A and Molecule B can't be easily distinguished by IR Molecule B

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 16CTQ

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Choose the best explanation about distinguishing the two molecules below by IR. CH3 A H B OCH₂CH3 The two molecules can be distinguished by IR because molecule A has a C-H aromatic peak a little over 3000 cm-¹. The two molecules can be distinguished by IR because molecule B has an ester peak a little over 2200 cm-¹. The two molecules can be distinguished by IR because only molecule A has a C- H aliphatic (non-aromatic) peak a little below 3000 cm³¹. The two molecules can be distinguished by IR because only molecule A has a carbonyl peak a little over 1700 cm-¹. The two molecules can't be distinguished by IR.
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