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Organic Reaction Mechanisms II: Electrophilic and Radical Reactions
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Electrophilic addition to alkenes and Markovnikov rule
NEET level
Single correct option
Difficulty 1 of 3
o2009
Propene is hydrated with dilute
H
X
2
SO
X
4
. The product is
A
propanal
B
propane-1,2-diol
C
propan-2-ol
D
propan-1-ol
Answer: C
Protonation of propene gives the secondary cation
CH
X
3
−
CH
X
+
−
CH
X
3
(Markovnikov), which is attacked by water. Loss of H
+
gives propan-2-ol.
Practice Organic Reaction Mechanisms II: Electrophilic and Radical Reactions
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