What types of orbital overlap occur in cumulene? check all that apply. hints check all that apply. p/p overlap s/sp2 overlap s/s overlap s/sp overlap sp2/sp2 overlap sp/sp2 overlap sp/sp overlap?

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10-11-2017
Geography

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What types of orbital overlap occur in cumulene? check all that apply. hints check all that apply. p/p overlap s/sp2 overlap s/s overlap s/sp overlap sp2/sp2 overlap sp/sp2 overlap sp/sp overlap?

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W0lf93 W0lf93 · Answer 1 · 2017-11-21T14:18:13+01:00

Answer: The carbons on the closures are spÂ˛ hybridized, with a p-orbital for the 'second' bond in the twofold bond with their neighboring carbons. They have those spÂ˛ orbitals covering with the s from the hydrogen, and they have a p covering in the pi bond with the neighboring carbon. They likewise have a sigma bond with the neighboring carbon I'll get to. The center carbons each have two pi bonds with their neighbors, leaving sp hybridiaztion for the rest. So they have sp/spÂ˛ with the end carbons, and sp/sp with each other. (What's more, they likewise have p/p in the pi bonds). So the total list is: s/spÂ˛ p/p sp/spÂ˛ sp/sp

tutorareej tutorareej · Answer 2 · 2021-10-13T09:47:54+02:00

Answer:

The molecule of cumulene possesses [tex]\rm s/sp^2[/tex] and [tex]\rm sp^2/sp^2[/tex] orbital overlaps.

Explanation:

Cumulenes are the chain of hydrocarbons with three or more consecutive double bonds. The simplest cumulene is butatriene.

Butatriene is a 4 carbon chain molecule with 3 double bonds.

[tex]\rm CH_2\;=\;CH\;=\;CH\;=\;CH_2[/tex]

The terminal Carbon atoms has [tex]\rm sp^2[/tex] hybridization with pi bond formation for an adjacent carbon atom and s hybridization for H bonded to it.

The middle carbon atom has sp hybridization for the double bond and sp hybridization for the rest.

There is no overall p\p overlapping because H is bonded to the carbon atoms with s hybridization.

s/[tex]\rm sp^2[/tex] hybridization has been found in the terminal carbon atoms.

s\s hybridization can not be there as in the structure of cumulene there is the presence of double bond as well with p hybridization.

s\sp hybridization is not possible with the structure due to double bonds and the presence of at the middle carbon atoms.

[tex]\rm sp^2/sp^2[/tex] will not be the answer as H bonding will result in the s hybridization.

[tex]\rm sp/sp^2[/tex] will possible with the middle carbon atoms because of the hydrogen bonds and the double bond with adjacent carbon atoms.

In the structure of cumulene, [tex]\rm s/sp^2[/tex] and [tex]\rm sp^2/sp^2[/tex] orbital overlap has been found.

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