1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Fluorobenzene (C6H5F) can be synthesized in the laboratory
A
by heating phenol with HF and KF
B
from aniline by diazotisation followed by heating the diazonium salt with HBF4
C
by direct fluorination of benzene with F2 gas
D
by reacting bromobenzene with NaF solution
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Tertiary alkyl halides are practically inert to substitution by SN2 mechanism because of
A
insolubility
B
instability
C
inductive effect
D
steric hindrance
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Elimination of bromine from 2-bromobutane results in the formation of-
A
equimolar mixture of 1 and 2-butene
B
predominantly 2-butene
C
predominantly 1-butene
D
predominantly 2-butyne
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Alkyl halides react with dialkyl copper reagents to give
A
alkenes
B
alkyl copper halides
C
alkanes
D
alkenyl halides
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