1
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
2
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Which one of the following conformation of cyclohexane is chiral?
A
Twist boat
B
Rigid
C
Chair
D
Boat
3
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Presence of a nitro group in a benzene ring
A
activates the ring towards electrophilic substitution
B
renders the ring basic
C
deactivates the ring towards nucleophilic substitution
D
deactivates the ring towards electrophilic substitution
4
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The pKa of a weak acid (HA) is 4.5. The pOH of an aqueous buffered solution of HA in which 50% of the acid is ionized is :
A
7.0
B
4.5
C
2.5
D
9.5
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