1
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was :
A
CH3OH
B
HCHO
C
CH3CO CH3
D
CH3COOH
2
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
In Cannizzaro reaction given below
2PhCHO $$\buildrel {\mathop {:OH}\limits^{\left( - \right)} } \over \longrightarrow $$ PhCH2OH + $$PhC\mathop O\limits^{..} $$2(-)
the slowest step is :
A
the transfer of hydride to the carbonyl group
B
the abstraction of proton from the carboxylic group
C
the attack of $$:\mathop {OH}\limits^{( - )} $$ at the carboxyl group
D
the deprotonation of Ph CH2OH
3
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The compound formed as a result of oxidation of ethyl benzene by KMnO4 is :
A
benzophenone
B
acetophenone
C
benzoic acid
D
benzyl alcohol
4
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
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