This topic contains a solution. Click here to go to the answer

Author Question: Pericyclic reactions occur in a single step with the _____. a. formation of a radical b. formation ... (Read 102 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
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
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
Wow, this really help


sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

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

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library