Ochem Quiz 7 and 8

The hybridization state of the carbon of a methyl radical is:

• A) sp

• B) sp²

• C) sp³

• D) sp⁴

• E) p³
  
  

• B) sp²

Which set of conditions does not result in allylic halogenation of an alkene?

• A) Cl₂ at 400 °C

• B) Cl₂ in CCl₄ at 25 °C

• C) Cl₂, ROOR, hn

• D) Br₂ at low concentration in CCl₄

• E) N-Bromosuccinimide in CCl₄, ROOR

• B) Cl₂ in CCl₄ at 25 °C

An unsaturated product results from the reaction of cyclohexene with which of these?

• A) Br₂/CCl₄ at 25 °C

• B) NBS/CCl₄, ROOR

• C) HCl, ROOR

• D) HCl, no peroxides

• E) More than one of these choices.

• B) NBS/CCl₄, ROOR

According to the present explanation of the role of atmospheric chlorofluorocarbons in ozone depletion, it is this species which destroys, i.e., reacts irreversibly with, ozone.

• A) F

• B) Cl

• C) O

• D) ClO

• E) FO

• B) Cl