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Grade 9Organic Chemistry

MINIMUM BOILING POINT?

A) N-BUTENE B)1-BUTYNE C)1-BUTENE D)ISOBUTENE

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Profile image of vikas pandey
14 Years agoGrade 9
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2 Answers

Profile image of Sathya
14 Years ago

is it a?

Profile image of B.V.Suhas Sudheendhra
14 Years ago

The answer is 1 Butene

1 Butene has BP= -6.5

Iso Butene has BP = -7

1Butyene has BP = 9

The variation in boiling point is because of the vandervaals forces. more the size more is this force.

So isobutene is larger in size ( that is more branched) than Butene.

Butyne show unusual increase in boiling point