Which of the following statements is/are correct with respectpropyne?1. there are two pi bonds2. there is only one pi bond3. pi (T) bond is formed by the lateral overlapping of unhybridized p orbitals of carbon atom4. sigma(o)bond is formed by the axial overlapping of unhybridized p orbitals of carbon atom5. two sp3-sp, C-C sigma bonds and one sp-sp, C-C sigma bond are presentA 2,4B) 1,3c) 1,3,5D 2,5

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General Chemistry - Standalone book (MindTap Course List)

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ISBN:9781305580343

Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Chapter10: Molecular Geometry And Chemical Bonding Theory

Section: Chapter Questions

Problem 10.10QP: How does the valence bond description of a carboncarbon double bond account for cis trans isomers?

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Concept explainers

Reactions of Ethers

Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.

Epoxides

Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.

Williamson Ether Synthesis

An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.

Question

Which of the following statements is/are correct with respect
propyne?
1. there are two pi bonds
2. there is only one pi bond
3. pi (T) bond is formed by the lateral overlapping of unhybridized p orbitals of carbon atom
4. sigma(o)bond is formed by the axial overlapping of unhybridized p orbitals of carbon atom
5. two sp3-sp, C-C sigma bonds and one sp-sp, C-C sigma bond are present
A 2,4
B) 1,3
c) 1,3,5
D 2,5

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