Chemistry - Hydrocarbon Question with Solution | TestHub
Math the list :-
List - I | List - II |
|---|---|
(P) | (1)
|
(Q) | (2)
|
(R)
| (3)
|
(S)
| (4)
|
| (5)
|
Options:
Answer:
Solution:
P 2: Hydroboration-oxidation of an alkene is a syn-addition reaction. The product shown is a trans isomer, which can be formed from a cis alkene (2) via a syn-addition to form a trans product (or vice versa, depending on how "trans" is defined relative to the initial alkene structure and final product conformation).
Q 1: The product shown is a cis isomer (meso compound if symmetrical), which forms from a trans alkene (1) via syn-addition.
R 5: Bromination of an alkene is an anti-addition reaction. A trans alkene (4) undergoes anti-addition to form a meso product, which is represented by structure (5) (a cis conformation in the Newman projection).
S 3: A cis alkene (3) undergoes anti-addition to form a racemic mixture of enantiomers, which is represented by structure (3) (a trans conformation in the Newman projection).
