Radical Reactions Organic Chemistry Test! Quiz

10 Questions | By Geekgirljess | Updated: Mar 22, 2022 | Attempts: 1786

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Radical Reactions Organic Chemistry Test! Quiz - Quiz

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1.

Which radical is most stable?
- A.
  
  ĊH3
- B.
  
  R-ĊH2
- C.
  
  R2-ĊH
- D.
  
  R3-Ċ
- E.
  
  CH2=CH-ĊH2
2.

What is the geometry of a carbon radical?
- A.
  
  Linear
- B.
  
  Tetrahedral
- C.
  
  Trigonal planar
- D.
  
  Bent
- E.
  
  Trigonal pyramidal
3.

What is the orbital hybridization of a carbon radical?
- A.
  
  P
- B.
  
  Sp³
- C.
  
  Sp²
- D.
  
  Sp
4.

Fill in the blank correctly:The _______ the bond dissociation energy for a C-H bond, the more stable the resulting carbon radical.
- A.
  
  Lower
- B.
  
  Higher
5.

Alkanes react with halogens in the presence of __________ to form alkyl halides.
- A.
  
  Light or heat
- B.
  
  Hv or Δ
- C.
  
  Peroxides
- D.
  
  O3
6.

What are the important differences between chlorination and bromination?
- A.
  
  Chlorination is faster than bromination.
- B.
  
  Chlorination is slower than bromination.
- C.
  
  Chlorination yields a mixture of products, while bromination usually yields only one major product.
- D.
  
  Chlorination usually yields only one major product, while bromination yields a mixture of products.
7.

What is the reactivity-selectivity principle?
- A.
  
  Less reactive reagents are more selective.
- B.
  
  More reactive reagents are more selective.
8.

Describe the 2-step method for converting an alkane to an alkene.
- A.
  
  Oxidation with ROOR followed by elimination of OH.
- B.
  
  Radical halogenation with Br2 followed by elimination of HBr.
- C.
  
  Allylic bromination with NBS followed by elimination of HBr.
- D.
  
  Radical addition of HBr followed by substitution of Br-.
9.

What is/are the monohalogenation product(s)?n-butane + chlorine + hv --> ______________
- A.
  
  1-chlorobutane
- B.
  
  (R)-2-chlorobutane
- C.
  
  (S)-2-chlorobutane
- D.
  
  (R,S)-2,3-dichlorobutane
- E.
  
  All of the above
10.

A radical halogenation reaction at a stereogenic center results in ________________ .
- A.
  
  No change in the stereochemistry of the products.
- B.
  
  A racemic mixture of enantiomers
- C.
  
  A pair of diastereomers
- D.
  
  An achiral product