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JEE Questions for Chemistry Aldehydes Ketones And Carboxylic Acids Quiz 5 - MCQExams.com
JEE
Chemistry
Aldehydes Ketones And Carboxylic Acids
Quiz 5
When a mixture of calcium benzoate and calcium acetate is dry distilled, the resulting compound is
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0%
acetophenone
0%
benzaldehyde
0%
benzophenone
0%
acetaldehyde
Which one of the following can be oxidised to the corresponding carbonyl compound?
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2-hydroxypropane
0%
ortho-nitrophenol
0%
Phenol
0%
2-methyl-2-hydroxypropane
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0%
0%
2)
0%
0%
Which one of the following product is formed when calcium salt of adipic acid is heated ?
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0%
0%
2)
0%
0%
When calcium acetate is distrilled, it will produce which of the following compound ?
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CH3 COOH
0%
CH3 CHO
0%
CH3 COCH3
0%
All of these
Which reaction is used for the preparation of acetophenone?
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Reimer-Tiemann reaction
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Wurtz-Fittig reaction
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Friedel-Craft's reaction
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Cannizaro's reaction
The reagent used in Gattermann Koch aldehyde synthesis is
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Pb/BaSO4
0%
alkaline KMnO4
0%
acidic KMnO4
0%
CO + HCl
By combining the two calcium salts of carboxylic acids we are preparing 2-butanone. Find the correct pair from the following.
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Calcium formate + calcium propanoate
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Calcium acetate + calcium propanoate
0%
Calcium acetate + calcium acetate
0%
Calcium formate + calcium acetate
Which of the following, compounds is the reactant in Rosenmund's reduction?
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CH3CO2H
0%
CH3CHO
0%
CH3CH2Cl
0%
CH3COCl
The acidic strength of active methylene group inI. CH
3
COCH
2
COOC
2
H
5
II. CH
3
COCH
2
COCH
3
III. C
2
H
5
OOCCH
2
COOC
2
H
5
Decreases as
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0%
I > III > II
0%
I > II > III
0%
II > I > III
0%
III > I > II
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o-bromo sulphanilic acid
0%
sulphanilamide
0%
sulphanillic acid
0%
p-bromo sulphanilamide
In the given reaction, identify compound C.
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0%
0%
2)
0%
0%
Give IUPAC name of the product, when acetamide is heated with anhydrous phosphorus pentoxide.
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Ethyl amine
0%
Propane nitrile
0%
Cyano methane
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Ethane nitrile
In the reaction
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0%
0%
2)
0%
0%
Identify Z in the sequence,
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0%
CH3CH2CONH2
0%
CH3CN
0%
CH3COOH
0%
( CH3CO)2O
The most suitable reagent
A
, for the reaction
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0%
O3
0%
H2O2
0%
NaOH-H2O2
0%
m-chloroperbenzoic acid
Which of the following will produce only one product on reduction with LiAlH
4
?
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C2H5COOCH2CH3
0%
CH3CH2COOCH2CH3
0%
CH3COOC2H5
0%
CH3COOCH2CH2CH3
Which one of the following pairs gives effervescence with aqueous NaHCO
3
? ( I ) CH
3
COCl( II ) CH
3
COCH
3
( III ) CH
3
COOCH
3
( IV ) CH
3
COOCOCH
3
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0%
I and II
0%
I and IV
0%
II and III
0%
I and III
trans
-esterification is the process of
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conversion of an aliphatic acid to ester
0%
conversion of an aromatic acid to ester
0%
conversion of one ester to another ester
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conversion of an ester into its components namely acid and alcohol
Urea on slow heating gives
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NH2CONHNO2
0%
NH2CONHCONH2
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HCNO
0%
NH2CONH2∙HNO3
In the following reaction,
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0%
0%
2)
0%
0%
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ROOC(CH2)COOR
0%
RCOCH2COOH
0%
RCOOR
0%
RCOOH
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Pt/H2
0%
Ni/H2
0%
LiAlH4
0%
Zn
On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is
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CH3COOC2H5 + NaCl
0%
CH3COONa + C2H5OH
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CH3COCl + C2H5OH+ NaOH
0%
CH3 Cl + C2H5COONa
Acetyl bromide reacts with excess of CH
3
MgI followed by treatment with a saturated solution of NH
4
Cl gives
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0%
acetone
0%
acetamide
0%
2-methyl-2-propanol
0%
acetyl iodide
An organic compound is boiled with alcoholic potash. The product is cooled and acidified with HCl. A white solid separates out. The starting compound may be
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0%
ethyl benzoate
0%
ethyl formate
0%
ethyl acetate
0%
methyl acetate
What is obtained when acetyl chloride is heated with benzene in presence of anhydrous AlCl
3
?
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0%
Acetyl benzoic acid
0%
Anisole
0%
Acetophenone
0%
Cholorobenzene
The refluxing of (CH
3
)
2
NCOCH
3
with acid gives
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0%
(CH3)2 NH + CH3COOH
0%
(CH3)2 NCOOH + CH4
0%
2CH3OH+ CH3 CONH2
0%
2CH3NH2 + CH3COOH
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1,1-diphenylethanol
0%
2,1-diphenylethanol
0%
methyl phenylethanol
0%
methyl phenylketone
Sodium phenoxide when heated with CO
2
under pressure at 125°C yields a product which on acetylation produces
C
.
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0%
0%
2)
0%
0%
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