« previous next »

Author Question: In which type of pericyclic reaction is a bond broken and a new bond formed? a. cycloaddition b. ... (Read 59 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Aug 23, 2018
In which type of pericyclic reaction is a  bond broken and a new  bond formed?
 a. cycloaddition
  b. photochemical electrocyclic
  c. thermal electrocyclic
  d. sigmatropic rearrangement.
  e. all of the above

Question 2

For an odd number of electron pairs (double bonds), for cycloadditions reactions which of the following rules is correct?:
 a. thermal conditions - antarafacial, photochemical conditions - suprafacial
  b. thermal conditions - suprafacial, photochemical conditions - antarafacial


huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Aug 23, 2018
Answer to Question 1

d

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

RRMR

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Aug 23, 2018
Thank you!


huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #3 on: Aug 23, 2018
Always glad to help...


« previous next »
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

The image formed on the retina is inverted. The brain rights the image as part of the interpretation The image formed on the retina is inverted. The brain rights the image as part of the interpretation
When checking a waste spark-type ignition system, check that the secondary wires are attached to the ... When checking a waste spark-type ignition system, check that the secondary wires are attached to the ...
Induration measurement in a tuberculin skin test, a type IV hypersensitivity. Induration measurement in a tuberculin skin test, a type IV hypersensitivity.
(a) A photograph of a radial immunodiffusion reaction for measurement of patient IgA concentrations. ... (a) A photograph of a radial immunodiffusion reaction for measurement of patient IgA concentrations. ...
For a particular cell based on the reaction:3 AgCl(s) + Al(s) → 3 Ag(s) + Al3+(aq) + 3 ... For a particular cell based on the reaction:3 AgCl(s) + Al(s) → 3 Ag(s) + Al3+(aq) + 3 ...
Chloroplast segregation determined by mating type in Chlamydomonas Chloroplast segregation determined by mating type in Chlamydomonas
Video: Power Supply Polyacrylamide Gel Protein Sample

For a complete list of videos, visit our video library