Hydrocarbons Question 301

Question: Which of the following is the most stable alkene [AIIMS 1998; KCET (Med.) 2000; CPMT 2003]

Options:

A) $ R_2C=CR_2 $

B) $ RCH=CHR $

C) $ RCH_2=CH_2R $

D) $ CH_2=CH_2 $

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Answer:

Correct Answer: A

Solution:

We know that greater the number of alkyl groups attached to double bonded carbon atoms, more stable is the alkene.

Therefore most stable is $ R_2C=CR_2 $