Chemistry Forum

Posted: **Sat Jul 13, 2013 1:45 am**

Which alkene ozonolysis which forms a ketone and an aldehyde.And that alkene is obtained by dehydrating tertiary alcohol with molecular formula C₅H₁₂O...

Care este alchena care la ozonoliza formeaza o cetona si o aldehida si care se obtine prin deshidratarea alcoolului tertiar cu formula moleculara C₅H₁₂O?

please help:*

Posted: **Mon Jul 15, 2013 4:49 pm**

popabiancamaria wrote:Which alkene ozonolysis which forms a ketone and an aldehyde.And that alkene is obtained by dehydrating tertiary alcohol with molecular formula
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C5H12O
?

The only tertiary alcohol of that formula is 2-methyl-2-butanol.

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CH3CH2COH&#40;CH3&#41;2

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This dehydrates to produce 2-methyl-2-butene or 2-methyl-1-butene.

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CH3CH2COH&#40;CH3&#41;2 --> CH3CH=C&#40;CH3&#41;2 , CH2=C&#40;CH3&#41;CH2CH3

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The former ozonolysises into ethanal and propanone

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CH3CH=C&#40;CH3&#41;2 + O3 --> CH3CHO + CH3COCH3

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The later ozonolysises into methanal and butanone.

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CH2=C&#40;CH3&#41;CH2CH3 + O3 --> CH2O + CH3CH2COCH3

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