JCECE SERIES Chemistry
Aldehydes Ketones And Carboxylic Acids
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
1
2010 1
2008 4
2007 1
2006 1
2005 Chapter Questions 8 MCQs
01
PYQ 2005
medium
chemistry ID: jcece-20
Conversion of benzaldehyde to 3-phenyl-prop-2-en-1-oic acid is:
1
Perkin condensation
2
Claisen condensation
3
Oxidative addition
4
Aldol condensation
02
PYQ 2006
medium
chemistry ID: jcece-20
does not react with
1
diethyl ether
2
phenol
3
ethanol
4
aniline
03
PYQ 2007
medium
chemistry ID: jcece-20
Sodium formate on heating gives
1
oxalic acid and
2
sodium oxalate and
3
sodium oxalate
4
and caustic soda
04
PYQ 2007
medium
chemistry ID: jcece-20
Hydrolysis ofphenyl isocyanide forms
1
benzoicacid
2
formic acid
3
acetic acid
4
none of these
05
PYQ 2007
medium
chemistry ID: jcece-20
When dihydroxy acetone reacts with , the product is/are
1
HCHO
2
HCOOH
3
HCHO and HCOOH
4
HCHO and
06
PYQ 2007
medium
chemistry ID: jcece-20
Which of the following does not reduce Fehling?s solution?
1
Benzaldehyde
2
Formic acid
3
Glucose
4
Fructose
07
PYQ 2008
medium
chemistry ID: jcece-20
Consider the acidity of the carboxylic acids (i) PhCOOH (ii) (iii) (iv) Which of the following orders is correct?
1
(i) > (ii) > (iii) > (iv)
2
(ii) > (iv) > (iii) > (i)
3
(ii) > (iv) > (i) > (iii)
4
(ii) > (iii) > (iv) > (i)
08
PYQ 2010
medium
chemistry ID: jcece-20
The most reactive compound towards formation of cyanohydrin on treatment with HCN followed by acidification is
1
benzaldehyde
2
p-nitrobenzaldehyde
3
phenylacetaldehyde
4
p-hydroxybenzaldehyde