CSIR UGC NET SOLVED QUESTIONS ON REACTION MECHANISM AND INTERMEDIATES

REACTION MECHANISM
& INTERMEDIATES
PREVIOUS YEAR CSIR UGC NET QUESTIONS
DEEPAK K
M.Sc. CHEMISTRY, NET, GATE




DEEPAK K

,The reaction given below is an
example of
a) elimination MeO NO 2
NO 2




b) elimination N a O Et


c) Syn elimination
d) CB elimination




• JUNE 2

DEEPAK K

, SOLUTION
• The mechanism can be represented as follows:
MeO NO 2 MeO NO 2 N
–
C
H

N aO Et E1C B




C a r b a n io n



• Hence option d




DEEPAK K

, The relative rates of solvolysis of
iodides A-C are
• C>A>B
I I
• C>B>A
• B>C>A O


• B>A>C A B C




• JUNE 2

DEEPAK K