1
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 u. The alkene is
A
propene
B
1–butene
C
2–butene
D
ethene
2
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
3
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
4
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
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