Match the following (one term in column-I may match with more than one terms in column-II)
Column I | Column II | ||
(a) | on reaction with C2H5O– gives CH2=CH–CD3 | (p) | The reaction is E1 |
(b) | PhCH2CH2Br gives elimination faster than PhCD2CH2Br. The mechanism is | (q) | The reaction is E2 |
(c) | PhCH2CH2Br in presence of C2H5OD/C2H5O– gives good yield of PhCD2CH2Br along with alkene | (r) | The reaction is E1 cB |
(d) | and on elimination, yield alkene at the same rate | (s) | The reaction is unimolecular |
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
- q ; - q ; - r, s ; - p, s
Sol. 
CH 2 = CH – CD 3 It is E2 mechanism
Rate is Ph – CH 2 – CH 2 – Br > Ph – CD 2 – CH 2 – Br It is also E2 mechanism.
Deuterium exchange is observed It is E1cB mechanism.
Rate is 
= 
It is E1 mechanism.
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