List of top Chemistry Questions on Aldehydes And Ketones

Cannizzaro’s reaction is exhibited by:
What happens when (Give chemical equations only): (i) Acetaldehyde reacts with dilute NaOH:
Identify the correct trend of acidic strength for the given alcohols:
correct trend of acidic strength for the given alcohols:
An aryl carboxylic acid on treatment with sodium hydrogen carbonate liberates a gaseous molecule. Identify the gas molecule liberated.
Write the classification of aliphatic ketones with example. What is the action of sodium hypoiodite on acetone?
Isopropylbenzene on air oxidation followed by dilute acid gives
Arrange the following in increasing order of their reactivity for nucleophilic addition reaction:
Arrange the following in increasing order of their reactivity for nucleophilic addition reaction:

Which of the following reagent is suitable for the preparation of the product in the above reaction ? (reaction of ketone to alkane)

The major product of the following chemical reaction is : R-CN $\xrightarrow{(1) H_3O^+, \Delta (2) SOCl_2 (3) Pd/BaSO_4, H_2}$ ? (Using $R$ as the alkyl group from the prompt skeleton)

Consider the above reaction, the product 'X' and 'Y' respectively are 

In Tollen's test for aldehyde, the overall number of electron(s) transferred to the Tollen's reagent formula [Ag(NH₃)₂]⁺ per aldehyde group to form silver mirror is __________. (Round off to the Nearest Integer).

Considering the reaction of Benzene with CO and HCl in the presence of anhydrous AlCl₃/CuCl (Gattermann-Koch reaction), identify product X : 


An organic compound 'A' has the molecular formula \( C_3H_6O \), it undergoes iodoform test. When saturated with dil. HCl it gives 'B' of molecular formula \( C_9H_{14}O \). A and B respectively are:
Tautomerism is net exhibited by:
The reagent(s) which can be used to distinguish acetophenone from benzophenone is (are):
The number of aldol reaction(s) that occurs in the given transformation is: \[ \text{CH}_3\text{CHO} + 4\text{CH}_3\text{CHO} \]
Which of the following is not intermediate in the acid catalysed reaction of benzaldehyde with 2 equivalent of methanol to give acetal?
A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives
Consider the following reaction sequence of alkene. \[ \text{CH}_3\text{CH} = \text{CH}_3 \xrightarrow{\text{O}_3} A \xrightarrow{\text{H}_2\text{O}} B \] What is the product B?
Cannizzaro reaction is not shown by
Acetophenone and Benzophenone can be distinguished by which of the following test
By which reaction ketal is formed?
Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?
What will be the order of reactivity of the following carbonyl compounds with Grignard’s reagent?
Which of the following pairs give positive Tollen’s test?