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 115 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 :)

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

An overview of the two stages of photosynthesis: light reactions and the Calvin cycle An overview of the two stages of photosynthesis: light reactions and the Calvin cycle
reactions of an ester with a carboxylate group to form an anhydride. The R group is the same in each reactions of an ester with a carboxylate group to form an anhydride. The R group is the same in each
Changes that occur during the processing of tyrosine pre-tRNA Changes that occur during the processing of tyrosine pre-tRNA
When teenagers live in single-parent homes, a good relationship with grandparents is related to ... When teenagers live in single-parent homes, a good relationship with grandparents is related to ...
How to apply integration by parts on a single function How to apply integration by parts on a single function
Metabolic reactions involving synthesis, interconversion, and utilization of one-carbon adducts of t Metabolic reactions involving synthesis, interconversion, and utilization of one-carbon adducts of t
Video: Hormonal regulation of pregnancy - weeks 2 through 38

For a complete list of videos, visit our video library