Aldehydes, Ketones and Carboxylic Acids · Chemistry · NEET

Select the incorrect reaction among the following :

Identify the correct reagents that would bring about the following transformation. ...

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For the given reaction: 'P' is...

Consider the given reaction: $$\mathrm{CH}_3 \mathrm{COCH}_3 \stackrel{\text { dil } \mathrm{Ba}(\mathrm{OH})_2}{\longrightarrow} \text { ''X" }$$ The...

Identify 'X' in above reactions...

The following conversion is known as: ...

Reagents which can be used to convert alcohols to carboxylic acids, are (A) $$\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4$$ (B) $$\mathrm{K}_2 \mathrm{C...

The major product formed in the following conversion is ___________. ...

Complete the following reaction: [C] is _______....

Identify the major product obtained in the following reaction: ...

Identify the final product [D] obtained in the following sequence of reactions. ...

Which of the following reactions is not an example for nucleophilic addition-elimination reaction?

The product formed from the following reaction sequence is ...

Match List-I with List-II : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-fami...

The incorrect method to synthesize benzaldehyde is

Given below are two statements : Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses...

RMgX + CO2 $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{dry}} $$ Y $$\buildrel {{H_3}{O^ + }} \over \longrightarrow $$ RCOOH What is ...

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Compound X on reaction with O3 followed by Zn/H2O gives formaldehyde and 2-methyl propanal as products. The compound X is

Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?

What is the IUPAC name of the organic compound formed in the following chemical reaction?...

Consider the above reaction and identify the missing reagent/chemical....

Match List-I with List-II Choose the correct answer from the options given below....

The intermediate compound 'X' in the following chemical reaction is : ...

The product formed in the following chemical reaction is : ...

Identify compound X in the following sequence of reactions : ...

Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as :

Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

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

Consider the reactions, Identify A, X, Y and Z....

The correct structure of the product 'A' formed in the reaction ...

The correct order of strengths of the carboxylic acids is...

Which of the following reagents would distinguish cis-cyclopenta-1-2-diol from the trans-isomer?

The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon, is

The oxidation of benzene by V2O5 in the presence of air produces

Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is

Which one of the following esters gets hydrolysed most easily under alkaline conditions?

Treatment of cyclopentanone with methyl lithium gives which of the following species ? ...

An organic compound 'X' having molecular formula C5H10O yields phenylhydrazone and gives negative response to the iodoform test and Tollens' test. It ...

Which one is most reactive towards nucleophilic addition reaction?

The order of stability of the following tautomeric compounds is ...

Reaction by which benzaldehyde cannot be prepared

Consider the reaction : RCHO + NH2NH2 $$ \to $$ RCH $$=$$ N $$-$$ NH2 What sort of reaction is it?

Consider the following reaction The product A is ...

The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is

CH3CHO and C6H5CH2CHO can be distinguished chemically by

Predict the products in the given reaction. ...

Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is

Match the compounds given in List-I with List-II and select the suitable option using the code given below. .tg {border-collapse:collapse;border-sp...

An organic compound A on treatment with NH3 gives B, which on heating gives C. C when treated with Br2 in the presence of KOH produces ethyl amine. Co...

The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds: ...

Which one is a nucleophilic substitution reaction among the following ?

Clemmensen reduction of a ketone is carried out in the presence of which of the following?

In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D. ...

Which one of the following compounds will be most readily dehydrated?

Which of the following reactions will not result in the formation of carbon-carbon bonds?

Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is

Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces

Propionic acid with Br2/P yields a dibromo product. Its structure would be

A strong base can abstract an $$\alpha $$-hydrogen from

The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of

Acetophenone when reacted with a base, C2H5ONa,   yields a stable compound which has the structure

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

The product formed in Aldol condensation is

Consider the following compounds The correct decreasing order of their reactivity towards hydrolysis is ...

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

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

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $$\alpha $$-hydrixy acid. The carb...

Nucleophilic addition reaction will be most favoured in

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

In a set of reactions propionic acid yielded a compound D. The structure of D would be...

The major organic product formed from the following reaction : is...

In a set of reactions acetic acid yielded a product D. The structure of D would be...

The $$-$$ OH group of an alcohol or the $$-$$ COOH group of a carboxylic acid can be replaced by $$-$$ Cl using

Which one of the following can be oxidised to the corresponding carbonyl compound?

In this reaction : CH3CHO + HCN $$ \to $$ CH3CH(OH)CN            $$\buildrel {HOH} \over \lon...

When $$m$$-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are)

$$A$$ and $$B$$ in the following reactions are : ...

In a set of the given reactions, acetic acid yielded a product C. Product $$C$$ would be...

In the above reaction product P is ...

In the following reaction product $$P$$ is ...

are...

Which of the following is incorrect?

Which of the following give positive Fehling solution test?

Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?

First product of the reaction between RCHO and NH2NH2 is

Reduction by LiAlH4 of hydrolysed product of an ester gives

Benzoic acid may be converted into ethyl benzoate by reaction with :

Polarisation in acrolein can be described as

Which of the following compounds will give a yellow precipitate with iodine and alkali?