Q5 of 20 Page 129

The structural formulae of two organic compounds are given.

(i) CH3—O—CH2—CH3


(ii) CH3—CH2—CH2—OH


a) What are the IUPAC names of these compounds?


b) Write one similarity and one difference between these two compounds.


c) What is this phenomenon known as?

a. The IUPAC names of these compounds are:-




b. One similarity between these two compounds is-


They have the same molecular formula.


One difference between these two compounds is-


They have different functional groups attached to them.


c. This phenomenon is known as isomerism or more specifically functional isomerism in which the compounds have the same molecular formula but different functional groups attached to them.


More from this chapter

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2

Write down the IUPAC names of the compounds given below

a)


b)


c)


d) CH3—CH2—CH2—C ≡ CH


e) CH3—CH2—CH2—OH


f) CH3—CH2—O—CH3


g) CH3—CH2—CH2—CH2—CH2–COOH

 3

Write the structural formulae of all possible isomers of the compound with molecular formula C4H10O. Identify the different isomer pairs from them and find the type of isomerism to which each pair belongs.

 4

Find three pairs of isomers from the compounds given below. Identify the type of isomerism to which each pair belongs.

a) Propan-1-ol


b) 2,2,3,3-Tetramethylbutane


c) Octane


d) Propan-2-ol


e) Methoxyethane

 6

Write down the structural formulae of the following compounds.

a) Cyclopentane


b) Cyclobutene