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

Question

Which among the following organic compounds do not have (4n + 2) number of π electrons? (i) Phenanthrene (ii) Cyclooctatetraene (iii) Cyclopentadiene (iv) Cyclopentadienyl anion (A) (i) and (iv) (B) (ii) and (iii) (C) (i) and (ii) (D) (ii) and (iv)

Tardigrade Admin · Accepted Answer

Correct answer is (b) (ii) and (iii)

Q. Which among the following organic compounds do not have (4n+2) number of π electrons? (i) Phenanthrene (ii) Cyclooctatetraene (iii) Cyclopentadiene (iv) Cyclopentadienyl anion

(i) and (iv)

(ii) and (iii)

(i) and (ii)

(ii) and (iv)

Correct answer is (b) (ii) and (iii)

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