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Which reagent can be used for the alkylation of aromatic nitro compounds
Options
(a) Methyl-sulfinyl carbanion
(b) Methyl-iodide
(c) Dimethyl-sulphate
(d) Methyl-lithium
Correct Answer:
Methyl-sulfinyl carbanion
Explanation:
Ar – NO₂ group is ring deactivating group. So it does not favour electrophilic alkylation in benzene ring . Therefore nitrobenzene undergoes nucleophilic alkylation through carbanion intermediate. So the reagent used is methyl sulfinyl carbaion.
Related Questions: - The following quantum numbers are possible for how many orbital(s)
- The sulpha drugs are used for
- The charge on the central metal ion in the complex[Ni(CO)₄] is
- In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
- The oxidation state of S in H₂SO₄ is
Topics: Organic compounds containing Nitrogen
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The following quantum numbers are possible for how many orbital(s)
- The sulpha drugs are used for
- The charge on the central metal ion in the complex[Ni(CO)₄] is
- In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
- The oxidation state of S in H₂SO₄ is
Topics: Organic compounds containing Nitrogen (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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