What accounts for the differences between alkynes alkenes and alkanes?

Answer 1

Alkane: -ane. C-C interaction has single bond

Alkene: -ene. C-C interaction has double bond

Alkyne: -yne. C-C interaction has triple bond

Least reactive alkanes are saturated hydrocarbons, while alkene and alkyne not. Alkanes undergo susbstitution reaction while others under go addition reactions rather.

Alkanes rule is CnH2n+2 while alkene CnH2n and alkyne CnH2n-2.

Answer 2

Alkanes are saturated compounds while alkenes are unsaturated compounds. Alkanes undergo substitution reaction while alkenes undergo addition reaction. Alkanes have single covalent bonds existing between their atoms while alkenes have double covalent bonds existing between their atoms. Alkanes have single bonds while alkenes have double bonds.

An alkene molecule contains carbon, hydrogen and a double bond. Alkynes possess C & H and a triple C C bond, e. g. HCN, and acetylene, H-CC-H.

Answer 3

by reacting both with Br2. It will give positive results towards the alkene as the alkene will turn the reddish brown color of Br2 into colourless, while the reaction of alkyne with Br2 will give negative result. Reaction with Br2 is to test the presence of C=C.

Answer 4

An Alkane has all one bonded atoms

e.g: = Hexane

H H H H H H

H-C-C-C-C-C-C-H

H H H H H H

An Alkene has at least two bonded atom

e.g: 1 - Hexene (the 1 just means where it is located)

H H H H H H

H-C=C-C-C-C-C-H

H H H H

An Alkyne has at least one triple bonded atom

e.g: 2-Hexyne (the 2 just means where it is located)

(-= means triple bond)

H H H H

H-C-=C-C-C-C-C-H

H H H H

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Answer 5

Alkanes = All single bonds between carbons.

Alkenes = One double bond between carbons.

Alkynes = Several double bonds between carbons.

Answer 6

Alkanes only have single bonds in their carbon chains, whereas alkenes and alkynes have double bonds and triple bonds respectively.