Which from following alkyl substituted alkenes is most stable?
Which from following alkyl substituted alkenes is most stable?
$\mathrm{R}_2 \mathrm{C}=\mathrm{CR}_2$
$\mathrm{R}_2 \mathrm{C}=\mathrm{CHR}$
$\mathrm{R}_2 \mathrm{C}=\dot{\mathrm{CH}}_2$
$\mathrm{RCH}=\mathrm{CH}_2$
Solution
Greater is the number of alkyl groups attached to the doubly bonded carbon atoms, greater is the stability of alkene.
$\therefore \quad \mathrm{R}_2 \mathrm{C}=\mathrm{CR}_2$ is the most stable alkene.