1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
In a SN2 substitution reaction of the type
R $$-$$ Br + Cl$$-$$ $$\buildrel {DMF} \over \longrightarrow $$ R$$-$$Cl + Br$$-$$
which one of the following has the highest relative rate?
A
AIPMT 2008 Chemistry - Haloalkanes and Haloarenes Question 19 English Option 1
B
CH3CH2Br
C
CH3CH2CH2Br
D
AIPMT 2008 Chemistry - Haloalkanes and Haloarenes Question 19 English Option 4
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
CH3 $$-$$ CHCl $$-$$ CH2 $$-$$ CH3 has a chiral centre. Which one of the following represents its R-configuration?
A
AIPMT 2007 Chemistry - Haloalkanes and Haloarenes Question 36 English Option 1
B
AIPMT 2007 Chemistry - Haloalkanes and Haloarenes Question 36 English Option 2
C
AIPMT 2007 Chemistry - Haloalkanes and Haloarenes Question 36 English Option 3
D
AIPMT 2007 Chemistry - Haloalkanes and Haloarenes Question 36 English Option 4
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which of the following is not chiral?
A
2-Hydroxypropanoic acid
B
2-Butanol
C
2,3-Dibromopentane
D
3-Bromopentane
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?
A
Ethyl chloride
B
Isopropyl chloride
C
Chlorobenzene
D
Benzyl chloride
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