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Questions and Answers
Which of the following cycloalkadienes fulfills the first three requirements for aromaticity but does not obey Huckel's rule?
Which of the following cycloalkadienes fulfills the first three requirements for aromaticity but does not obey Huckel's rule?
- Cyclopentatriene
- Cyclobutadiene (correct)
- Cyclopentadiene
- Tropilidine
Which cycloalkadiene tends to lose H+ to form a highly stable aromatic cyclopentadienyl anion?
Which cycloalkadiene tends to lose H+ to form a highly stable aromatic cyclopentadienyl anion?
- Cyclobutadiene
- Tropilidine
- Cyclopentadiene (correct)
- Cyclopentatriene
Which cycloalkadiene contains sp3 hybridized carbon atoms and is non-aromatic?
Which cycloalkadiene contains sp3 hybridized carbon atoms and is non-aromatic?
- Tropilidine
- Cyclopentadiene (correct)
- Cyclopentatriene
- Cyclobutadiene
Which cycloalkadiene forms an aromatic cycloheptatrienyl cation that obeys Huckel's rule?
Which cycloalkadiene forms an aromatic cycloheptatrienyl cation that obeys Huckel's rule?
Which cycloalkadiene has an anion that does not obey Huckel's rule and has 8 pi electrons (n=3)?
Which cycloalkadiene has an anion that does not obey Huckel's rule and has 8 pi electrons (n=3)?
What is the characteristic reaction of benzene?
What is the characteristic reaction of benzene?
Why does benzene not undergo addition reactions like other unsaturated hydrocarbons?
Why does benzene not undergo addition reactions like other unsaturated hydrocarbons?
Which halogenation reagent is used for the synthesis of chlorobenzene?
Which halogenation reagent is used for the synthesis of chlorobenzene?
Why are analogous reactions with I2 and F2 not synthetically useful?
Why are analogous reactions with I2 and F2 not synthetically useful?
What is the role of FeBr3 in the halogenation of benzene?
What is the role of FeBr3 in the halogenation of benzene?
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