For the Following Reaction Sequence (It Is Not Necessary to Understand

question 66

Multiple Choice

For the following reaction sequence (it is not necessary to understand the chemistry) what significant change(s) would be expected by IR (ignoring C-H absorptions) ?

• A)A peak around 1710 cm^-1 would disappear and a new peak around 3300-3500 cm^-1 would appear.
• B)A peak around 1710 cm^-1 would disappear and a new peak around 1650 cm^-1 would appear.
• C)A peak around 2150 cm^-1 would disappear and a new peak around 3300-3500 cm^-1 would appear.
• D)No change would be observed.
• E)None of these choices.

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