The difference between alkanes and alkene are as follows:One of the member of alkane is: Methane having molecular formula (CH4). The structure of CH4 is as folllows:One of the member of alkene is Ethene having molecular formula C2H4 and the structure of Ethene is as follows:(b) Alkanes generally burns with a clear flame. They burn in air with a blue and non-sooty flame as the carbon percentage in the alkane is low and it gets oxidized completely in air and that’s why it burns with a clear flame.

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Class 10th Science - Board Papers All India - 2013

Answer :

The difference between alkanes and alkene are as follows:

One of the member of alkane is: Methane having molecular formula (CH₄). The structure of CH₄ is as folllows:

One of the member of alkene is Ethene having molecular formula C₂H₄ and the structure of Ethene is as follows:

(b) Alkanes generally burns with a clear flame. They burn in air with a blue and non-sooty flame as the carbon percentage in the alkane is low and it gets oxidized completely in air and that’s why it burns with a clear flame.

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