Chemistry Magazine

Organic Chemistry - Quiz 4

Posted on the 21 October 2017 by Ewong0117
This quiz for this week is on organic chemistry. You may like to revise the chapter on alkanes and alkenes, as well as the chapter on alcohols, carboxylic acids, esters and macromolecules first before attempting the question. 

A straight chain hydrocarbon has a molecular formula of C20H30. How many moles of bromine will react with one mole of this compound?

a. 4

b. 5
c. 6
d. 7

Hint: This question is all about looking at the degree of unsaturation in organic compounds. Why is the general formula for alkane CnH2n+2, while that for an alkene (with a single double bond) is CnH2n?
Full worked solution for this quiz can be found here.

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