1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The increasing order of the rate of HCN addition to compounds A – D is
(A) HCHO
(B) CH3COCH3
(C) PhCOCH3
(D) PhCOPh
A
A < B < C < D
B
D < B < C < A
C
D < C < B < A
D
C < D < B < A
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The correct order of increasing acid strength of the compounds

AIEEE 2006 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 187 English
A
$$D < A < B < C$$
B
$$A < D < B < C$$
C
$$B < D < A < C$$
D
$$D < A < C < B$$
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Among the following acids which has the lowest pKa value?
A
CH3COOH
B
HCOOH
C
(CH3)2COOH
D
CH3CH2COOH
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is generally known as
A
a Schiff’s base
B
an enamine
C
an imine
D
an amine
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