NEET

Aldehydes, Ketones and Carboxylic Acids

Chemistry

Previous Years Questions

MCQ (Single Correct Answer)

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The product formed in the following chemical reaction is : ...
NEET 2021
Match List-I with List-II Choose the correct answer from the options given below....
NEET 2021
Consider the above reaction and identify the missing reagent/chemical....
NEET 2021
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :
NEET 2020 Phase 1
Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as :
NEET 2020 Phase 1
Identify compound X in the following sequence of reactions : ...
NEET 2020 Phase 1
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It i...
NEET 2018
Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?
NEET 2017
Consider the reactions, Identify A, X, Y and Z....
NEET 2017
The correct structure of the product 'A' formed in the reaction ...
NEET 2016 Phase 2
The correct order of strengths of the carboxylic acids is...
NEET 2016 Phase 2
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon, is
NEET 2016 Phase 1
Which of the following reagents would distinguish cis-cyclopenta-1-2-diol from the trans-isomer?
NEET 2016 Phase 1
Which one of the following esters gets hydrolysed most easily under alkaline conditions?
AIPMT 2015
An organic compound 'X' having molecular formula C5H10O yields phenylhydrazone and gives negative response to the iodofo...
AIPMT 2015 Cancelled Paper
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by eliminatio...
AIPMT 2015
The oxidation of benzene by V2O5 in the presence of air produces
AIPMT 2015
Which one is most reactive towards nucleophilic addition reaction?
AIPMT 2014
Reaction by which benzaldehyde cannot be prepared
NEET 2013
The order of stability of the following tautomeric compounds is ...
NEET 2013
Predict the products in the given reaction. ...
AIPMT 2012 Prelims
Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is
AIPMT 2012 Prelims
Consider the following reaction The product A is ...
AIPMT 2012 Mains
Consider the reaction : RCHO + NH2NH2 $$ \to $$ RCH $$=$$ N $$-$$ NH2 What sort of reaction is it?...
AIPMT 2012 Mains
The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) an...
AIPMT 2012 Prelims
CH3CHO and C6H5CH2CHO can be distinguished chemically by
AIPMT 2012 Prelims
The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds: ...
AIPMT 2011 Mains
An organic compound A on treatment with NH3 gives B, which on heating gives C. C when treated with Br2 in the presence o...
AIPMT 2011 Mains
In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D. ...
AIPMT 2011 Prelims
Match the compounds given in List-I with List-II and select the suitable option using the code given below. .tg {bord...
AIPMT 2011 Mains
Clemmensen reduction of a ketone is carried out in the presence of which of the following?
AIPMT 2011 Prelims
Which one of the following compounds will be most readily dehydrated?
AIPMT 2010 Mains
Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is
AIPMT 2010 Prelims
Which of the following reactions will not result in the formation of carbon-carbon bonds?
AIPMT 2010 Prelims
Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?
AIPMT 2010 Prelims
Propionic acid with Br2/P yields a dibromo product. Its structure would be
AIPMT 2009
Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces
AIPMT 2009
Acetophenone when reacted with a base, C2H5ONa,   yields a stable compound which has the structure...
AIPMT 2008
The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of
AIPMT 2008
A strong base can abstract an $$\alpha $$-hydrogen from
AIPMT 2008
Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?
AIPMT 2007
Which of the following represents the correct order of the acidity in the given compounds ?
AIPMT 2007
Consider the following compounds The correct decreasing order of their reactivity towards hydrolysis is ...
AIPMT 2007
The product formed in Aldol condensation is
AIPMT 2007
Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called
AIPMT 2007
In a set of reactions propionic acid yielded a compound D. The structure of D would be...
AIPMT 2006
Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
AIPMT 2006
Nucleophilic addition reaction will be most favoured in
AIPMT 2006
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $$\a...
AIPMT 2006
In a set of reactions acetic acid yielded a product D. The structure of D would be...
AIPMT 2005
The major organic product formed from the following reaction : is...
AIPMT 2005
Which one of the following can be oxidised to the corresponding carbonyl compound?
AIPMT 2004
In a set of the given reactions, acetic acid yielded a product C. Product $$C$$ would be...
AIPMT 2003
When $$m$$-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are)
AIPMT 2003
$$A$$ and $$B$$ in the following reactions are : ...
AIPMT 2003
In this reaction : CH3CHO + HCN $$ \to $$ CH3CH(OH)CN           &nbsp...
AIPMT 2003
are...
AIPMT 2002
In the following reaction product $$P$$ is ...
AIPMT 2002
In the above reaction product P is ...
AIPMT 2002
Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?
AIPMT 2001
Which of the following give positive Fehling solution test?
AIPMT 2001
Polarisation in acrolein can be described as
AIPMT 2000
Benzoic acid may be converted into ethyl benzoate by reaction with :
AIPMT 2000
Reduction by LiAlH4 of hydrolysed product of an ester gives
AIPMT 2000
First product of the reaction between RCHO and NH2NH2 is
AIPMT 2000

MCQ (More than One Correct Answer)

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Which of the following compounds will give a yellow precipitate with iodine and alkali?
AIPMT 2012 Mains

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