Which of the following statements is incorrect regarding dehydrohalogenation of alkenes?

1. During the reaction hydrogen atom is eliminated from the $\beta$ - carbon atom.
2. Rate of reaction for same alkyl group; Iodine $>$ Bromine $>$ Chlorine
3. Rate of reaction; $\left(\mathrm{CH}_{3}ight)_{3} \mathrm{C}->\left(\mathrm{CH}_{3}ight)_{2} \mathrm{CH}->\mathrm{CH}_{3} \mathrm{CH}_{2}-$
4. Only nature of halogen atom determine rate of the reaction.

Solution

Asked in: JEE-TOPICTESTS-CHEMISTRY

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