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Aldehydes, Ketones And Carboxylic Acids

Question

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The IUPAC name of the compound

3-keto-2-methylhex-4-enal

5-formylhex-2-en-3-one

5-methyl-4-oxohex-2-en-5-al

3-keto-2-methylhex-5-enal

Solution

A.

3-keto-2-methylhex-4-enal

Aldehydes get higher priority over ketone and alkene in numbering of principal C-chain.
therefore 3-keto-2-methylhex-4-enal

Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

Write the structures of products of the following reactions:

Arrange the following compounds in increasing order of their boiling points:
CH₃CHO, CH₃CH₂OH, CH₃OCH₃, CH₃CH₂CH₃.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

Predict the products of the following reactions:

Predict the products of the following reactions:

Predict the products of the following reactions:

Predict the products of the following reactions:

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