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Question
Chemistry
Posted 10 months ago

What is the major product of the following reaction?
I.
IV.
III.
V.
I
II
III
IV
V
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Answer from Sia
Posted 10 months ago
C
Key Concept
Electrophilic Aromatic Substitution (EAS) and Directing Effects
Explanation
In an EAS reaction, the methoxy group (CH3O) is an ortho/para-directing and activating group. It increases the electron density at the ortho and para positions relative to the substituent, making them more reactive towards electrophilic attack. Since the bromine is already at the para position to the methoxy group, the nitro group (NO2) from the nitric acid will most likely add to the ortho position, which is the position of product III.

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