Aldehyde and Ketone · Chemistry · MHT CET

Identify the compound '$$\mathrm{A}$$' in the following sequence of reactions. $$\text { A } \xrightarrow[\text { Dryether }]{\mathrm{C}_2 \mathrm{H}_...

Which of the following is Clemmensen reduction?

Identify substrate 'A' in the following reaction. 2nA $$\mathrm{\buildrel {Dimethyl\,cadmium} \over \longrightarrow}$$ 2n Propanone + n Cadmium chlor...

Identify the reaction in which carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating w...

Identify the product '$$\mathrm{B}$$' in the following reaction. Toluene $$\xrightarrow[\mathrm{CS}_2]{\text { Chromylchloride }} \mathrm{A} \xrightar...

Which among the following is a simple ketone?

Which from following compounds is obtained when toluene is treated with $$\mathrm{CrO}_2 \mathrm{Cl}_2$$ in presence of $$\mathrm{CS}_2$$ followed by ...

Which of the following is NOT prepared by the action of Grignard's reagent on methanal?

Which following reagent is used in Etard reaction?

Which of the following compounds is obtained by Rosenmund reduction of benzoyl chloride?

Identify product '$$B$$' in following sequence of reactions. 2n Propanone $$\mathrm{\buildrel {Ba{{(OH)}_2}} \over \longrightarrow}$$ A $$\mathrm{\ma...

Which of the following reactions is Rosenmund reduction?

What type of following phenomena does the Cannizzaro reaction exhibit?

Identify the reagent 'R' used in the following reaction. ...

Identify the products of following reaction: ...

Which of the following reagents is used in Gatterman-Koch formylation of arene?

Which among the following compounds is hemiacetal?

Which among the following colours is obtained in Schiff test of aldehydes?

Identify ketone from the following.

Which of the following on reaction with ammoniacal silver nitrate forms silver precipitate?

Identify the product 'B' in following reaction. Ethyl phenyl ketone $$\mathrm{\buildrel {{H_2}N - N{H_2}} \over \longrightarrow}$$ A $$\mathrm{\mathr...

What type of reaction is the formation of aldol from aldehyde?

What is the product formed when cumene is air oxidised in presence of Co-naphthenate and further treated with dilute acid?

Identify compound $$\mathrm{A}$$ in following reaction Benzene + Ozone (excess) $$\rightarrow$$ Benzenetriozonide $$\xrightarrow{\mathrm{A}}$$ Glyoxal...

Which of the following aldehydes is less reactive towards nucleophilic addition reaction?

Cannizzaro reaction is an example of

Which of the following reaction is an example of Rosenmund reduction?

To obtain 3-methylbutan-2-ol from acetaldehyde, the Grignard's reagent used is

Which of the following aldehyde has buttery odour?

Identify product B in following reaction. Propanone $$\xrightarrow{\mathrm{Ba}(\mathrm{OH})_2} \mathrm{~A} \xrightarrow[-\mathrm{H}_2 \mathrm{O}]{\Del...

Identify compound A from following reaction. $$\mathrm{A}+\mathrm{C}_2 \mathrm{H}_5 \mathrm{MgBr} \xrightarrow[\text { ety }]{\text { drer }} \mathrm{...

Identify product $$\mathrm{C}$$ in following conversion. m - Hydroxy Benzaldehyde $$ \xrightarrow[\text { [Protection of }-\mathrm{OH} \text { group] ...

Identify the reagent used in following conversion. Pent -3 -enenitrile $$\xrightarrow{\mathrm{A}}$$ pent -3 -enal

What is the product formed when side chain chlorination of toluene is carried out followed by acid hydrolysis at $$373 \mathrm{~K}$$ ?

Identify the product '$$B$$' in following reaction. $$2 \mathrm{CH}_3 \mathrm{CHO} \xrightarrow{\text { dil. } \mathrm{NaOH}} \mathrm{A} \xrightarrow[...

Identify 'A' in following reaction. A $$\mathrm{\buildrel {Dimethyl\,cadmium} \over \longrightarrow}$$ propanone + cadmium chloride

Which of the following reagents is used in the reaction shown below? Benzoyl chloride $$\stackrel{?}{\longrightarrow}$$ Benzaldehyde

Identify the name of following reaction. Toluene + chromyl chloride $$\stackrel{\mathrm{CS}_2}{\longrightarrow}$$ complex $$\stackrel{\mathrm{H}_3 \ma...

Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?

Identify the reagent used in following conversion. ...

Which from following reactions converts carbonyl group of aldehydes and ketones to methylene group on treatment with zinc amalgam and concentrated $$\...

Which among the following compounds has highest boiling point?

Identify the product formed in the following reaction, $$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CHO} \mathrm{\mathrel{\mathop{\ke...

When alcoholic solution of an organic compound is treated with few drops of Schiff's reagent, pink colour appears. This confirms the presence of group...

Which of the following compounds on reaction with Grignard reagent followed by hydrolysis forms secondary alcohol?

The reagent used in Gatterman-Koch formylation of arene is

Which of the following compounds on reaction with ammonical silver nitrate solution forms precipitate of silver?

Identify $A$ in the following reaction. $$A+\mathrm{CH}_3 \mathrm{MgBr} \xrightarrow{\text { Ether }} \text { complex }\xrightarrow{\mathrm{H}_3 \math...

Which of the following is a Stephen reaction?

Which of the following compound is highly reactive towards HCN?

Which of the following compounds reacts with ammonia to form urotropine?

Number of oxygen atoms present in salicylaldehyde are

An acylchloride is hydrogenated over catalyst palladium on barium sulphate to form an aldehyde. This reaction is called as

Propane nitrile on reaction with ethyl magnesium iodide in presence of dry ether gives complex. This imine complex on acid hydrolysis forms

Which of the following alcohols needs acidic $$\mathrm{KMnO}_4$$ to convert it into aldehyde or ketone?

Which of the following statements is true for carbonyl group?

Which of the following does not give yellow solid on treatment with sodium hypoiodite?

Mandelonitrile is obtained by the reaction between hydrogen cyanide and

In the reaction, $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3 \xrightarrow[\mathrm{Zn}-\mathrm{Hg} / \text { conc. } \mathrm{HCl}]{[\mathrm{H}]} X,X$ is...