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Which is stronger, the C=O bond in an ester (1735 cm -1 ) or the C=O bond in a saturated ketone (1715 cm -1 )? Explain.
Organic Chemistry
Solutions
Organic Chemistry
Which is stronger, the C=O bond in an ester (1735 cm-1) or the C=O bond in a saturated ketone (1715 cm-1)? Explain.
Interpretation:
The strongest bond has to be identified from C=O bond in an ester (1735 cm-1) or the C=O bond in a saturated ketone (1715 cm-1).
Concept introduction:
Spectroscopy:
It is study of the interaction of matter and electromagnetic radiation, a continuum of different types of electromagnetic radiation each associated with a particular energy range makes up the electromagnetic spectrum.
IR frequency (cm-1):
It is the number of wave crests that pass by a given point in one second frequency has units of hertz (Hz).
Stretch vibrations:
It is a vibration occurring along the line of the bond a stretching vibration changes the bond length.
Bending vibrations:
It is a vibration that does not occur along the line of the bond, bending vibration changes the bond angle.
Given information:
The IR value is given below,
Explanation of Solution
The Planck's equation is given below,
Where,
Therefore,
Chapter 12 Solutions
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