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Aldehydes, Ketones and Carboxylic Acids

101 Questions
All Exams NEET AIIMS
2014 NEET MCQ
AIPMT 2014
Which one is most reactive towards nucleophilic addition reaction?
A.
AIPMT 2014 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 1
B.
AIPMT 2014 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 2
C.
AIPMT 2014 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 3
D.
AIPMT 2014 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 4
2013 NEET MCQ
NEET 2013
The order of stability of the following tautomeric compounds is

NEET 2013 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 66 English
A.
II > I > III
B.
II > III > I
C.
I > II > III
D.
III > II > I
2013 NEET MCQ
NEET 2013
Reaction by which benzaldehyde cannot be prepared
A.
NEET 2013 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 68 English Option 1
B.
NEET 2013 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 68 English Option 2
C.
NEET 2013 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 68 English Option 3
D.
NEET 2013 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 68 English Option 4
2012 NEET MCQ
AIPMT 2012 Mains
Consider the reaction :
RCHO + NH2NH2 $ \to $ RCH $=$ N $-$ NH2

What sort of reaction is it?
A.
Electrophilic addition-elimination reaction
B.
Free radical addition-elimination reaction
C.
Electrophilic substitution-elimination reaction
D.
Nucleophilic addition-elimination reaction
2012 NEET MCQ
AIPMT 2012 Mains
Consider the following reaction

AIPMT 2012 Mains Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 64 English
The product A is
A.
C6H5CHO
B.
C6H5OH
C.
C6H5COCH3
D.
C6H5Cl
2012 NEET MCQ
AIPMT 2012 Prelims
CH3CHO and C6H5CH2CHO can be distinguished chemically by
A.
Benedict's test
B.
Iodoform test
C.
Tollen's reagent test
D.
Fehling's solution test
2012 NEET MCQ
AIPMT 2012 Prelims
Predict the products in the given reaction.

AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English
A.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 1
B.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 2
C.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 3
D.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 4
2012 NEET MCQ
AIPMT 2012 Prelims
Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is
A.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 1
B.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 2
C.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 3
D.
AIPMT 2012 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 4
2012 NEET MCQ
AIPMT 2012 Prelims
The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is
A.
B > A > D > C
B.
B > D > C > A
C.
A > B > C > D
D.
A > C > B > D
2012 NEET MSQ
AIPMT 2012 Mains
Which of the following compounds will give a yellow precipitate with iodine and alkali?
A.
Acetophenone
B.
Methyl acetate
C.
Acetamide
D.
2-Hydroxypropane
2011 NEET MCQ
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 of KOH produces ethyl amine. Compound A is
A.
CH3COOH
B.
CH3CH2CH2COOH
C.
AIPMT 2011 Mains Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 61 English Option 3
D.
CH3CH2COOH
2011 NEET MCQ
AIPMT 2011 Mains
The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds:
AIPMT 2011 Mains Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 62 English
A.
III > II > I
B.
II > I > III
C.
I > III > II
D.
I > II > III
2011 NEET MCQ
AIPMT 2011 Mains
Match the compounds given in List-I with List-II and select the suitable option using the code given below.

List-I
 List-II
(A) Benzaldehyde (i) Phenolphthalein
(B) Phthalic anhydride (ii) Benzoin condensation
(C) Phenyl benzoate (iii) Oil of wintergreen
(D) Methyl salicylate (iv) Fries rearrangement
A.
(A)-(iv),  (B)-(i),  (C)-(iii),  (D)-(ii)
B.
(A)-(iv),  (B)-(ii),  (C)-(iii),  (D)-(i)
C.
(A)-(ii),  (B)-(iii),  (C)-(iv),  (D)-(i)
D.
(A)-(ii),  (B)-(i),  (C)-(iv),  (D)-(iii)
2011 NEET MCQ
AIPMT 2011 Prelims
Clemmensen reduction of a ketone is carried out in the presence of which of the following?
A.
Glycol with KOH
B.
Zn-Hg with HCl
C.
LiAlH4
D.
H2 and Pt as catalyst
2011 NEET MCQ
AIPMT 2011 Prelims
In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English
A.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 1
B.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 2
C.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 3
D.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 4
2011 NEET MCQ
AIPMT 2011 Prelims
Which one is a nucleophilic substitution reaction among the following ?
A.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 96 English Option 1
B.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 96 English Option 2
C.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 96 English Option 3
D.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 96 English Option 4
2010 NEET MCQ
AIPMT 2010 Mains
Which one of the following compounds will be most readily dehydrated?
A.
AIPMT 2010 Mains Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 60 English Option 1
B.
AIPMT 2010 Mains Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 60 English Option 2
C.
AIPMT 2010 Mains Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 60 English Option 3
D.
AIPMT 2010 Mains Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 60 English Option 4
2010 NEET MCQ
AIPMT 2010 Prelims
Which of the following reactions will not result in the formation of carbon-carbon bonds?
A.
Reimer-Tiemann reaction
B.
Cannizzaro reaction
C.
Wurtz reaction
D.
Friedel-Crafts acylation
2010 NEET MCQ
AIPMT 2010 Prelims
Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is
A.
CH3COOCH3
B.
CH3CONH2
C.
CH3COOCOCH3
D.
CH3COCl
2009 NEET MCQ
AIPMT 2009
Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces
A.
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 59 English Option 1
B.
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 59 English Option 2
C.
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 59 English Option 3
D.
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 59 English Option 4
2009 NEET MCQ
AIPMT 2009
Propionic acid with Br2/P yields a dibromo product. Its structure would be
A.
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 58 English Option 1
B.
CH2(Br) $-$ CH2 $-$ COBr
C.
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 58 English Option 3
D.
CH2(Br) $-$ CH(Br) $-$ COOH
2008 NEET MCQ
AIPMT 2008
A strong base can abstract an $\alpha $-hydrogen from
A.
ketone
B.
alkane
C.
alkene
D.
amine
2008 NEET MCQ
AIPMT 2008
The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of
A.
Acid anhydride > Amide > Ester > Acyl chloride
B.
Acyl chloride > Ester > Acid anhydride > Amide
C.
Acyl chloride > Acid anhydride > Ester > Amide
D.
Ester > Acyl chloride > Amide > Acid anhydride.
2008 NEET MCQ
AIPMT 2008
Acetophenone when reacted with a base, C2H5ONa,   yields a stable compound which has the structure
A.
AIPMT 2008 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 57 English Option 1
B.
AIPMT 2008 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 57 English Option 2
C.
AIPMT 2008 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 57 English Option 3
D.
AIPMT 2008 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 57 English Option 4
2007 NEET MCQ
AIPMT 2007
Which of the following represents the correct order of the acidity in the given compounds ?
A.
FCH2COOH > CH3COOH > BrCH2COOH > ClCH2COOH
B.
BrCH2COOH > ClCH2COOH > FCH2COOH > CH3COOH
C.
FCH2COOH > ClCH2COOH > BrCH2COOH > CH3COOH
D.
CH3COOH > BrCH2COOH > ClCH2COOH > FCH2COOH
2007 NEET MCQ
AIPMT 2007
Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called
A.
Cope reduction
B.
Dow reduction
C.
Wolf-Kishner reduction
D.
Clemmensen reduction
2007 NEET MCQ
AIPMT 2007
Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?
A.
C6H5CHO
B.
CH3CH2CH2CHO
C.
AIPMT 2007 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 56 English Option 3
D.
C6H5CH2CHO
2007 NEET MCQ
AIPMT 2007
Consider the following compounds
AIPMT 2007 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English
The correct decreasing order of their reactivity towards hydrolysis is
A.
(i) > (ii) > (iii) > (iv)
B.
(iv) > (ii) > (i) > (iii)
C.
(ii) > (iv) > (i) > (iii)
D.
(ii) > (iv) > (iii) > (i)
2007 NEET MCQ
AIPMT 2007
The product formed in Aldol condensation is
A.
a beta-hydroxy aldehyde or a beta-hydroxy ketone
B.
an alpha-hydroxy aldehyde or ketone
C.
an alpha, beta unsaturated ester
D.
a beta-hydroxy acid.
2006 NEET MCQ
AIPMT 2006
Nucleophilic addition reaction will be most favoured in
A.
CH3CHO
B.
AIPMT 2006 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 54 English Option 2
C.
(CH3)2C $=$ O
D.
CH3CH2CHO
2006 NEET MCQ
AIPMT 2006
Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
A.
ethyl propionate
B.
ethyl butyrate
C.
acetoacetic ester
D.
methyl acetoacetate
2006 NEET MCQ
AIPMT 2006
In a set of reactions propionic acid yielded a compound D.
AIPMT 2006 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 52 English
The structure of D would be
A.
CH3CH2NH2
B.
CH3CH2CH2NH2
C.
CH3CH2CONH2
D.
CH3CH2NHCH3
2006 NEET MCQ
AIPMT 2006
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $\alpha $-hydrixy acid. The carbonyl compound is
A.
formaldehyde
B.
acetaldehyde
C.
acetone
D.
diethyl ketone
2005 NEET MCQ
AIPMT 2005
In a set of reactions acetic acid yielded a product D.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English
The structure of D would be
A.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 1
B.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 2
C.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 3
D.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 4
2005 NEET MCQ
AIPMT 2005
The major organic product formed from the following reaction :

AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English
is
A.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 1
B.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 2
C.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 3
D.
AIPMT 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 4
2004 NEET MCQ
AIPMT 2004
The $-$ OH group of an alcohol or the $-$ COOH group of a carboxylic acid can be replaced by $-$ Cl using
A.
phosphorus pentachloride
B.
hypochlorous acid
C.
chlorine
D.
hydrochloric acid
2004 NEET MCQ
AIPMT 2004
Which one of the following can be oxidised to the corresponding carbonyl compound?
A.
2-Hydroxypropane
B.
ortho-Nitrophenol
C.
Phenol
D.
2-Methyl-2-hydroxypropane
2003 NEET MCQ
AIPMT 2003
In a set of the given reactions, acetic acid yielded a product C.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English
Product $C$ would be
A.
CH3CH(OH)C2H5
B.
CH3COC6H6
C.
CH3CH(OH)C6H5
D.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 4
2003 NEET MCQ
AIPMT 2003
When $m$-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are)
A.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 1
B.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 2
C.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 3
D.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 4
2003 NEET MCQ
AIPMT 2003
$A$ and $B$ in the following reactions are :
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English
A.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 1
B.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 2
C.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 3
D.
AIPMT 2003 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 4
2003 NEET MCQ
AIPMT 2003
In this reaction :
CH3CHO + HCN $ \to $ CH3CH(OH)CN
           $\buildrel {HOH} \over \longrightarrow $ CH3CH(OH)COOH
an asymmetric centre is generated. The acid obtained would be
A.
$D$-isomer
B.
$L$-isomer
C.
50% $D$ + 50% $L$-isomer
D.
20% $D$ + 80% $L$-isomer
2002 NEET MCQ
AIPMT 2002
AIPMT 2002 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 93 English
In the above reaction product P is
A.
AIPMT 2002 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 93 English Option 1
B.
AIPMT 2002 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 93 English Option 2
C.
AIPMT 2002 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 93 English Option 3
D.
AIPMT 2002 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 93 English Option 4
2002 NEET MCQ
AIPMT 2002
In the following reaction product $P$ is
AIPMT 2002 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 42 English
A.
RCH2OH
B.
RCOOH
C.
RCHO
D.
RCH3
2002 NEET MCQ
AIPMT 2002
AIPMT 2002 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 43 English
are
A.
resonating structures
B.
tautomers
C.
geometrical isomers
D.
optical isomers.
2001 NEET MCQ
AIPMT 2001
Which of the following is incorrect?
A.
FeCl3 is used in detection of phenol.
B.
Fehling solution is used in detection of glucose
C.
Tollen's reagent is used in detection of unsaturation.
D.
NaHSO3 is used in detection of carbonyl compound.
2001 NEET MCQ
AIPMT 2001
Which of the following give positive Fehling solution test?
A.
Sucrose
B.
Glucose
C.
Fats
D.
Protein
2001 NEET MCQ
AIPMT 2001
Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?
A.
AIPMT 2001 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 1
B.
CH3CH2CH $=$ CHCH2CH3
C.
CH3CH2CH $=$ CHCH3
D.
AIPMT 2001 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 4
2000 NEET MCQ
AIPMT 2000
Polarisation in acrolein can be described as
A.
AIPMT 2000 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 1
B.
AIPMT 2000 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 2
C.
AIPMT 2000 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 3
D.
AIPMT 2000 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 4
2000 NEET MCQ
AIPMT 2000
First product of the reaction between RCHO and NH2NH2 is
A.
RCH $=$ NNH2
B.
RCH $=$ NH
C.
RCH2NH2
D.
RCON3
2000 NEET MCQ
AIPMT 2000
Reduction by LiAlH4 of hydrolysed product of an ester gives
A.
two alcohols
B.
two aldehydes
C.
one acid and one alcohol
D.
two acids.