1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
CH3Br + Nu- $$\to$$ CH3 - Nu + Br- The decreasing order of the rate of the above reaction with nucleophiles (Nu) A to D is
[Nu = (A) PhO, (B) AcO, (C) HO–, (D) CH3O]
A
A > B > C > D
B
B > D > C > A
C
D > C > A > B
D
D > C > B > A
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion?
A
Six
B
Three
C
One
D
Two
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Phenyl magnesium bromide reacts with methanol to give
A
a mixture of anisole and Mg(OH)Br
B
a mixture of benzene and Mg(OMe)Br
C
a mixture of toluene and Mg(OH)Br
D
a mixture of phenol and Mg(Me)Br
4
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
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