Arrange the following alkenes in the stability order :

R2C=CH2, R2C=CHR, RCH=CHR, CH2=CH2

Please explain with reason.

CH2 = CH2  > RCH = CHR  > R2C = CH> R2C = CHR

The stability of alkenes increases with substitution.The carbon of alkenes is electron attracting and methyl groups are electron donating. Therefore, more are the alkyl groups more is the stability.

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