Which of the following is the most stable alkene ?

R C H = C H_{2}

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C H_{2} = C H_{2}

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R C H = C H R

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R_{2} C = C R_{2}

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Solution

The correct option is D $R_{2} C = C R_{2}$
Alkyl groups are electron repelling and they shift the bond pair of electrons away from themselves due to $+ I$ effect, inducing $- δ$ charge on the bonded atom and $+ δ$ charge on themselves. So, alkenes having greater number of alkyl groups attached to the double bonded carbon are stabilised more due to $+ I$ effect.

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Similar questions

R_{2} C = C R_{2} I, R_{2} C = C H R I I, R_{2} C = C H_{2} I I I, R C H = C H R I V

R C H = C H_{2} V

R_{2} C = C R_{2} < R_{2} C = C H R < R C H = C H R < C H_{2} = C H_{2}

R C H = C H R, R_{2} C = C H R

R_{2} C = {C R}_{2}

R C H = C H_{2} + I N_{3}^{⊝} \to A,

A

R C H = C H_{2}

B_{2} H_{6}

H_{2} O_{2}

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