Cumulene has three adjacent double bonds. An orbital picture of cumulene is to be drawn. The state of hybridization of the two central carbons is to be given. The geometric relationship of the substituents on one end to those at other end is to be given. The isomerism possible is to be stated. Concept introduction: A sp 2 hybridized carbon can form three σ bonds and one π bond. A sp hybridized carbon can form two σ bonds and two π bonds. The model of cumulene constructed shows the molecule is planar. A planar molecule with double bond can exhibit geometrical isomerism. To draw: The orbital picture of cumulene. To give: The state of hybridization of the two central carbons and the geometric relationship of the substituents on one end to those at other end. To state: The isomerism possible in cumulene.

Question

Want to see the full answer?

Answer 1

Question

Chapter 9.SE, Problem 55AP

Interpretation Introduction

Interpretation:

Cumulene has three adjacent double bonds. An orbital picture of cumulene is to be drawn. The state of hybridization of the two central carbons is to be given. The geometric relationship of the substituents on one end to those at other end is to be given. The isomerism possible is to be stated.

Concept introduction:

A sp² hybridized carbon can form three σ bonds and one π bond. A sp hybridized carbon can form two σ bonds and two π bonds. The model of cumulene constructed shows the molecule is planar. A planar molecule with double bond can exhibit geometrical isomerism.

To draw:

The orbital picture of cumulene.

To give:

The state of hybridization of the two central carbons and the geometric relationship of the substituents on one end to those at other end.

To state:

The isomerism possible in cumulene.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Constitutional isomers are compounds which have the same molecular formula but different structural formulae. They are different compounds with different physical and chemical properties.a. Rearrange your model of n-hexane to make as many possible isomers of C6H14 as you can. Draw the structural formula and write down the IUPAC name for each isomer that you make.b. Constitutional isomers can also have different functional groups. Make all possible isomers of C3H8O. Write down the structural formulae and IUPAC names for all the compounds you make. Hint: Consider alcohol and ether functional groups.

1. a. Draw and name the five cycloalkane structures of formula C5H10. Can any of these structures give rise to geometric (cis-trans) isomerism? If so, show the cis and trans stereoisomers. b. Draw and name the eight cycloalkane structures of formula C6H12 that do not show geometric isomerism. c. Draw and name the four cycloalkanes of formula C6H12 that do have cis-trans isomers. 2. Each of the following descriptions applies to more than one alkane. In each case, draw and name two structures that match the description. (a) an isopropylheptane (b) a diethyldecane (c) a cis-diethylcyclohexane (d) a trans-dihalocyclopentane (e) a (2,3-dimethylpentyl)cycloalkane (f) a bicyclononane 3. 2. refer to the photo attached and answer the ff.3-33, 3-34

13. The alkyl radical formed when a hydrogen atom is being removed from the second carbon of a normal four-carbon alkane is always a) a normal alkyl. 14. Disubtituted benzene compound with two attached groups that are opposite to each other is a) a meta isomer. 15. Two alkyl groups that are attached to the same C atom which has a double-bonded O atom is a) an aldehyde. b) an isoalkyl. c) a secondary alkyl. d) a tertiary alkyl. b) a para isomer. c) an ortho isomer. d) a beta isomer. b) an alcohol. c) a carboxylic acid. d) a ketone. 16. Which of the following organic compounds are not capable of hydrogen bonding by themselves? a) ketones. 17. The hydrocarbon which can undergo substitution bromination reaction. a) alkane 18. The minor product between the unsymmetrical butene and HBr is a) 1,2- dibromobutane. 19. Which of the following amines does not belong to the same group? a) aniline c) dimethylamine b) carboxylic acids c) amines d) alcohols b) alkene c) alkyne d) cycloalkene b)…