JKCET SERIES Chemistry
Aldehydes Ketones And Carboxylic Acids
15 previous year questions.
Volume: 15 Ques
Yield: Medium
High-Yield Trend
2
2019 2
2018 2
2017 1
2014 1
2013 1
2012 1
2009 3
2008 1
2006 1
2004 Chapter Questions 15 MCQs
01
PYQ 2004
medium
chemistry ID: jkcet-20
Acetaldehyde cannot show
1
lodoform test
2
Lucas test
3
Benedict's test
4
Toilers test
02
PYQ 2006
medium
chemistry ID: jkcet-20
The end products in the Cannizaro reaction of benzaldehyde is
1
2
3
4
03
PYQ 2008
medium
chemistry ID: jkcet-20
Picric acid is a stronger acid than acetic acid and benzoic acid. It contains
1
group
2
two groups
3
phenolic group
4
three groups
04
PYQ 2008
medium
chemistry ID: jkcet-20
-chloroacetic acid is a stronger acid than acetic acid. This is due to occurrence of
1
mesomeric effect
2
hyperconjugation
3
inductive effect
4
steric effect
05
PYQ 2008
medium
chemistry ID: jkcet-20
Hydroxamic acid test is employed to detect
1
ketones
2
aldehydes
3
esters
4
amides
06
PYQ 2009
medium
chemistry ID: jkcet-20
Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution?
1
2
3
4
07
PYQ 2012
medium
chemistry ID: jkcet-20
Tollen's test can be used to distinguish
1
propionaldehyde and acetone
2
propanol and propionic acid
3
propene and isobutene
4
isopropanol and propanol
08
PYQ 2013
medium
chemistry ID: jkcet-20
Identify in the following sequence
1
2
3
4
09
PYQ 2014
medium
chemistry ID: jkcet-20
Which acid is present in vinegar?
1
Formic acid
2
Acetic acid
3
Butyric acid
4
Tartaric acid
10
PYQ 2017
medium
chemistry ID: jkcet-20
Compounds and in the following reaction are
1
identical
2
positional isomers
3
optical isomers
4
functional isomers
11
PYQ 2017
medium
chemistry ID: jkcet-20
Which of the following pairs of organic compounds give positive Tollens? test?
1
Formic acid, acetone
2
Formic acid, ethanal
3
Ethanal, acetone
4
Formic acid, acetic acid
12
PYQ 2018
medium
chemistry ID: jkcet-20
What will be the correct decreasing order of acid strength of the hydroxybenzoic acids? (Symbols and notations carry their usual meanings)
1
-Hydroxybenzoic acid benzoic acid -hydroxybenzoic acid -hydroxybenzoic acid
2
-Hydroxybenzoic acid -hydroxybenzoic acid benzoic acid -hydroxybenzoic acid
3
-Hydroxybenzoic acid benzoic acid -hydroxybenzoic acid -hydroxybenzoic acid
4
-Hydroxybenzoic acid benzoic acid -hydroxybenzoic acid -hydroxybenzoic acid
13
PYQ 2018
medium
chemistry ID: jkcet-20
What will be the products when benzaldehyde is treated with in ?
1
and
2
and
3
and
4
undefined
14
PYQ 2019
medium
chemistry ID: jkcet-20
Reaction of sodium acetate with soda lime will produce which of the following?
1
Ethane
2
Methane
3
Propane
4
Butane
15
PYQ 2019
medium
chemistry ID: jkcet-20
Tilden's reagent is sometimes used for the isolation of terpenoids. Which among the following options is Tilden's reagent?
1
2
3
4