List of top Chemistry Questions on Aldehydes And Ketones

Observe the following reaction and same reaction is carried out with the following compound: 

X and Y can be differentiated by: 
 

The unsaturated ether on acidic hydrolysis produces carbonyl compounds as shown below. Based on this, predict the solution/reagent that will help to distinguish "P" and "Q" obtained in the reaction.

A student is given one compound among the following compounds that gives positive test with Tollen's reagent. The compound is:

An organic compound with molecular formula C\(_7\)H\(_6\)O forms 2,4-DNP derivative, reduces Tollens’ reagent and gives Cannizzaro reaction. On vigorous oxidation it gives benzene-1,2-dicarboxylic acid. Identify the compound. Also write the reactions of the compound with 2,4-DNP and when it undergoes Cannizzaro reaction.
Complete the equation: \[ CH_3CHO + NH_2NH_2 \xrightarrow{OH^-} \; ? \]
Why is CH\(_3\)CHO more reactive than acetone towards reaction with HCN?
Acetonitrile to Acetone
How do you convert the following? Acetophenone to Benzoic acid
Assertion (A): All aliphatic aldehydes give a positive Fehling's test.
Reason (R): Aliphatic aldehydes are reduced by Fehling's reagent.
Given below are two statements:
Statement I: Cross aldol condensation between two different aldehydes will always produce four different products.
Statement II: When semicarbazide reacts with a mixture of benzaldehyde and acetophenone under optimum pH, it forms a condensation product with acetophenone only.
Convert, ethanoic acid to ethanol.
Draw the structure of 2, 4 - dinitrophenylhydrazone of acetaldehyde.
Write Tollen's reagent test for acetaldehyde.
What is the action of ethane-1, 2 - diol on acetone?
Convert : (a) Benzene into benzaldehyde, (b) Cyclohexene into adipic acid.
Explain Cannizzaro reaction with suitable example.
Write the IUPAC name of :
Statement-I: Two different aldehydes on cross aldol condensation always give four products.
Statement-II: Among benzaldehyde and acetophenone, only acetophenone reacts with semicarbazide.
Which of the following are the compound(s) that do not give Tollen's test?
Which of the following gives positive $\text{Tollen's}$ test ?

Would you expect benzaldehyde to be more reactive or less reactive in nucleophilic addition reactions than propanal? Justify your answer. 

Lower carboxylic acids are highly soluble in water. Explain.
Describe Rosenmund reduction.
Benzioc Acid reacts with LiAlH$_4$ to give :
In the following, strongest Acid is :