Question

12. In alkenes and alkynes, _____ bonds form between parallel p-orbitals.

Group of answer choices

sigma

pi

delta

gamma

13. Vitamin A is an example of a(n) _______ alkenol.

Group of answer choices

Cumulated

Conjugated

Nonconjugated

Aromatic

14. Carbon atoms with sp³ hybridization have a _____ molecular geometry.

Group of answer choices

Tetrahedral

Linear

Trigonal planar

Square Planar

15. Which of the following molecules and ions is not aromatic?

Group of answer choices

Tropylium, C₇H₇⁺

Cyclopentadienide, C₅H₅^-

Benzne, C₆H₆

Cyclooctatetraene, C₈H₈

Answer 1

12. pi bonds 13. conjugated 14. Tetrahedral 15. cyclooctatetraene