Why it is important that any aldehyde used in reaction

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Question about Questions (L4)
1. Why it is important that any aldehyde used in Witting reaction be free of carboxylic acid impurities?

2. Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane, while in its isomer, methylenecyclohexene, the band is of medium to strong intensity.

3. Predict the major organic product formed in the following reaction: CH3CHzNOz + CHzO ~

Reference no: EM13133690

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Why it is important that any aldehyde used in reaction : Why it is important that any aldehyde used in Witting reaction be free of carboxylic acid impurities?
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