Which of the following is called benzyl radical:
Correct answer: C. C
- A. A
- B. B
- C. C
- D. D
Explanation
The benzyl free radical has the formula C 6H 5CH 2•. The benzyl cation or phenylcarbenium ion is the carbocation with formula C 6H 5CH+2; the benzyl anion or phenylmethanide ion is the carbanion with the formula C 6H 5CH−2.
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About Benzene and Aromatic Compounds
Benzene has a planar ring of delocalised π electrons, giving aromatic stability and equal carbon-carbon bond lengths. The topic covers resonance, electrophilic substitution reactions such as nitration, halogenation, sulphonation and Friedel-Crafts reactions, along with substituent effects and the distinction between substitution in benzene and addition in ordinary alkenes.
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