BIOCHEMISTRY
ORGANIC COMPOUNDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Ethene
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Propene
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Methene
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Decene
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Detailed explanation-1: -The number in the first two compounds refers to the carbon atom the double bond starts on. You always number the chain from the end which produces the smaller numbers in the name. The name in the third isomer is based on the longest chain which is 3 carbons-and so propene.
Detailed explanation-2: -Thus, the molecular formula of alkene hydrocarbon that has three carbon atoms is C 3 H 6 .
Detailed explanation-3: -Thus, the word “propane” indicates that there are three carbon atoms in the chain, all connected by single bonds. Number of. Carbons. Stem.
Detailed explanation-4: -3 carbons are present in propene.
Detailed explanation-5: -It is named using the same stem as the alkane having the same number of carbon atoms but ends in-ene to identify it as an alkene. Thus the compound CH2=CHCH3 is propene.