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?
R $$-$$ Br + Cl$$-$$ $$\buildrel {DMF} \over \longrightarrow $$ R$$-$$Cl + Br$$-$$
which one of the following has the highest relative rate?
A
B
CH3CH2Br
C
CH3CH2CH2Br
D
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
B
C
D
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which of the following is not chiral?
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?
Questions Asked from Haloalkanes and Haloarenes (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
NEET 2024 (Re-Examination) (2)
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AIPMT 2008 (1)
AIPMT 2007 (1)
AIPMT 2006 (1)
AIPMT 2005 (1)
AIPMT 2004 (1)
AIPMT 2002 (2)
AIPMT 2001 (2)
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