05. Aromaticity
GENERAL ORGANIC CHEMISTRY

232318 Which among the following organic compounds do not have $(4 n+2)$ number of $\pi$ electrons
(i) Phenanthrene
(ii) Cyclooctatetraene
(iii) Cyclopentadiene
(iv) Cyclopentadienyl anion

1 (i) and (iv)
2 (ii) and (iii)
3 (i) and (ii)
4 (ii) and (iv)
GENERAL ORGANIC CHEMISTRY

232323 An aromatic compound among other things should have a $\pi$-electron cloud containing $(4 n+2) \pi$ electrons where $n$ can't be

1 $1 / 2$
2 3
3 2
4 1
GENERAL ORGANIC CHEMISTRY

232328 Pick out the wrong statement.

1 Toluene shows resonance
2 original image is non-aromatic
3 The hybrid state of carbon in carbonyl group is $\mathrm{sp}^{2}$
4 The hyperconjugative effect is known as no bond resonance
5 Dipole moment of vinyl chloride is less than that of methyl chloride
GENERAL ORGANIC CHEMISTRY

232329 Which one of the following is a benzenoid aromatic compound?

1 Furan
2 Thiophene
3 Pyridine
4 Aniline
5 Cyclopentadienyl anion
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
GENERAL ORGANIC CHEMISTRY

232318 Which among the following organic compounds do not have $(4 n+2)$ number of $\pi$ electrons
(i) Phenanthrene
(ii) Cyclooctatetraene
(iii) Cyclopentadiene
(iv) Cyclopentadienyl anion

1 (i) and (iv)
2 (ii) and (iii)
3 (i) and (ii)
4 (ii) and (iv)
GENERAL ORGANIC CHEMISTRY

232323 An aromatic compound among other things should have a $\pi$-electron cloud containing $(4 n+2) \pi$ electrons where $n$ can't be

1 $1 / 2$
2 3
3 2
4 1
GENERAL ORGANIC CHEMISTRY

232328 Pick out the wrong statement.

1 Toluene shows resonance
2 original image is non-aromatic
3 The hybrid state of carbon in carbonyl group is $\mathrm{sp}^{2}$
4 The hyperconjugative effect is known as no bond resonance
5 Dipole moment of vinyl chloride is less than that of methyl chloride
GENERAL ORGANIC CHEMISTRY

232329 Which one of the following is a benzenoid aromatic compound?

1 Furan
2 Thiophene
3 Pyridine
4 Aniline
5 Cyclopentadienyl anion
GENERAL ORGANIC CHEMISTRY

232318 Which among the following organic compounds do not have $(4 n+2)$ number of $\pi$ electrons
(i) Phenanthrene
(ii) Cyclooctatetraene
(iii) Cyclopentadiene
(iv) Cyclopentadienyl anion

1 (i) and (iv)
2 (ii) and (iii)
3 (i) and (ii)
4 (ii) and (iv)
GENERAL ORGANIC CHEMISTRY

232323 An aromatic compound among other things should have a $\pi$-electron cloud containing $(4 n+2) \pi$ electrons where $n$ can't be

1 $1 / 2$
2 3
3 2
4 1
GENERAL ORGANIC CHEMISTRY

232328 Pick out the wrong statement.

1 Toluene shows resonance
2 original image is non-aromatic
3 The hybrid state of carbon in carbonyl group is $\mathrm{sp}^{2}$
4 The hyperconjugative effect is known as no bond resonance
5 Dipole moment of vinyl chloride is less than that of methyl chloride
GENERAL ORGANIC CHEMISTRY

232329 Which one of the following is a benzenoid aromatic compound?

1 Furan
2 Thiophene
3 Pyridine
4 Aniline
5 Cyclopentadienyl anion
GENERAL ORGANIC CHEMISTRY

232318 Which among the following organic compounds do not have $(4 n+2)$ number of $\pi$ electrons
(i) Phenanthrene
(ii) Cyclooctatetraene
(iii) Cyclopentadiene
(iv) Cyclopentadienyl anion

1 (i) and (iv)
2 (ii) and (iii)
3 (i) and (ii)
4 (ii) and (iv)
GENERAL ORGANIC CHEMISTRY

232323 An aromatic compound among other things should have a $\pi$-electron cloud containing $(4 n+2) \pi$ electrons where $n$ can't be

1 $1 / 2$
2 3
3 2
4 1
GENERAL ORGANIC CHEMISTRY

232328 Pick out the wrong statement.

1 Toluene shows resonance
2 original image is non-aromatic
3 The hybrid state of carbon in carbonyl group is $\mathrm{sp}^{2}$
4 The hyperconjugative effect is known as no bond resonance
5 Dipole moment of vinyl chloride is less than that of methyl chloride
GENERAL ORGANIC CHEMISTRY

232329 Which one of the following is a benzenoid aromatic compound?

1 Furan
2 Thiophene
3 Pyridine
4 Aniline
5 Cyclopentadienyl anion