« previous next »

Author Question: In which type of pericyclic reaction is a bond broken and a new bond formed? a. cycloaddition b. ... (Read 88 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?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Uticaria, a skin rash caused by type I hypersensitivity. Uticaria, a skin rash caused by type I hypersensitivity.
The three-dimensional structure formed of a protein The three-dimensional structure formed of a protein
How many grams of H2 gas can be produced by the reaction of 54.0 grams of Al(s) with an excess ... How many grams of H2 gas can be produced by the reaction of 54.0 grams of Al(s) with an excess ...
For each substrate below, choose which reaction type is favored. Place the letter of the ... For each substrate below, choose which reaction type is favored. Place the letter of the ...
A chemical reaction is run in which 447 Joules of work is done by the system and A chemical reaction is run in which 447 Joules of work is done by the system and
What type of online info about a job candidate should employment mgmt consider when screening What type of online info about a job candidate should employment mgmt consider when screening
Video: Deglutition

For a complete list of videos, visit our video library