Aldehydes, Ketones and Carboxylic Acids

Which of the following represents the correct order of the acidity in the given compounds?

• H₃CCOOH > BrCH₂COOH > ClCH₂COOH > FCH₂COOH

• FCH₂COOH > CH₃COOH >BrCH₂COOH > ClCH₂COOH

• BrCH₂COOH > ClCH₂COOH > FCH₂COOH >CH₃COOH

• BrCH₂COOH > ClCH₂COOH > FCH₂COOH >CH₃COOH

Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is Called:

• Clemmensen reduction

• Cope reduction

• Dow reduction

• Dow reduction

Which of the compounds with molecular formula C₅H₁₀ yields acetone on ozonolysis?

• 2-methyl-2- butene

• 3- methyl -1-butene

• cyclopentane

• cyclopentane

Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid? 

• C₆H₅CH₂CHO

• C₆H₅CHO

• CH₃CH₂CH₂CHO

• CH₃CH₂CH₂CHO

The product formed in aldol condensation is:

• a beta-hydroxy acid

• a beta -hydroxy aldehyde or ketone

• an alpha -hydroxy aldehyde or ketone

• an alpha -hydroxy aldehyde or ketone

In a set of reactions, propionic acid yielded a compound D.


The structure of D would be:

• CH₃CH₂CH₂NH₂

• CH₃CH₂CONH₂

• CH₃CH₂NHCH₃

• CH₃CH₂NHCH₃

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha-hydroxy acid. The carbonyl compound is:

• acetaldehyde

• acetone

• diethyl ketone

• diethyl ketone

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha -hydroxy acid. The carbonyl compound is: 

• CH₃-CH₂-CH₂COCH₃

• (CH₃)₂C=O

• CH₃CH₂CHO

• CH₃CH₂CHO

Self-condensation of two moles of ethyl acetate in presence of sodium ethoxide yields

• ethyl butyrate

• acetoacetic ester

• methyl acetoacetate

• methyl acetoacetate

Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?