This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Pericyclic reactions occur in a single step with the _____. a. formation of a radical b. formation ... (Read 54 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
on: Aug 23, 2018
Pericyclic reactions occur in a single step with the _____.
 a. formation of a radical
 b. formation of an ionic intermediate
 c. formation of a molecular ion
 d. formation of a transition state

Question 2

Why carbonyl groups of aldehydes and ketones on conjugation with carboncarbon double bonds show strong absorption in the ultraviolet spectrum?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Aug 23, 2018
Answer to Question 1

d

Answer to Question 2

The presence of conjugation in aldehydes and ketones decreases the energy gap between filled and unfilled  orbitals. Hence, the strong absorption observed in the ultraviolet spectrum is because of the  to  transition.


anjilletteb

  • Member
  • Posts: 569
Reply 2 on: Aug 23, 2018
Great answer, keep it coming :)

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Traits With Single-Gene Dominant–Recessive Inheritance Traits With Single-Gene Dominant–Recessive Inheritance
Formation of a peptide bond by a condensation reaction. Formation of a peptide bond by a condensation reaction.
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
Water in Chemical Reactions Water in Chemical Reactions
Video: Electrical Conduction System of the Heart

For a complete list of videos, visit our video library