Hydrocarbons - Result Question 17

####16. An alkene on ozonolysis gives methanal as one of the product. Its structure is

[2020]

(a)

(b)C=CCC1CCCCC1

(c)CCCC1CC=CCC1

(d)CC=CC1CCCCC1

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Solution:

  1. (b)

2,3 - dimethyl - 2 - butene

(Stable $3^{\circ}$ carbocation)

The driving force of the reaction is the stability of the carbocation. Tertiary carbocation is more stable than secondary carbocation which is achieved by 1, 2-rearrangement



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