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Positional Isomerism

The isomerism...

Question

The isomerism exhibited by 2-methyl-1-butene and 2-methyl-2- butene is:

A

chain

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B

positional

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C

functional

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D

tautomerism

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Solution

The correct option is B positional
In position isomerism (regioisomerism) a functional group changes position on a parent structure.

In the above question the functional group alkene changes its position from 1st carbon atom to 2nd carbon atom.

Option B is correct.

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Similar questions

Q. Which isomerism relates 2-methyl-1-butene and 2-methyl-2-butene?

Q. 1-Butene and 2-Butene exhibits _____________ isomerism.

There are some alkenes are given as follow:

2-methyl propene, cis-2-butene, trans-2-butene

Which of the following is the correct order for increasing order of reactivity for acid catalyzed hydration?

1) trans-2-butene< cis-2-butene < 2-methyl propene

2) cis-2-butene< trans-2-butene < 2-methyl propene

3) 2-methyl propene < trans-2-butene < cis-2-butene

Q. Ozonolysis of 2-methyl butene-2 yields

Q. A mixture of two alcohols

3 -

- 1 -

2 -

- 1 -

butanol, given chiefly

2 -

- 2 -

butene when dehydrated with acid.

2 -

- 2 -

butene is converted into

2 -

- 2 -

butanol with approximately 90% yield by treatment with 50% aqueous solution of sulphuric acid at

0^{\circ}

C. Write equation showing mechanism of conversions.

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