Organic Chemistry Answers

1.     For the following description state which structure (or structures) best relates: primary 1^o , secondary 2^o

,tertiary 3 ^o, quaternary 4 ^o. You may use more than one.

1.What are the characteristics of aromatic compound ?

2.Describe the mechanism of an electrophilic aromatic substitution ?

3.How the substituent groups affect the reactivity of benzene ring ?

4.What is aldol? How can you make it? Show the mechanism of the reaction ?

5.Briefly describe friedel crafts acylation reaction with mechanism ?

, The carboxyl group is present in ?

A.     Ethanol

B.     Formic acid

C.     Ethanal

13, The class of alcohol depends only on

A.     The position of the hydroxyl group

B.     Its number of carbon atoms

C.     The number of carbon atoms bonded to the functional group carbon atom

The oxidation of the alcohol (CH₃)₃C-OH gives

A.     A ketone

B.     Can give an aldehyde

C.     Is not possible

3     Which of the following has the highest boiling point?

(a) 2-hexanone                        (b) 2-pentanone          (c) butanoic acid     (d) 3-methyl-2-butanone

and explain why

Which of the following has the highest boiling point?

(a) 2-hexanone                        (b) 2-pentanone          (c) butanoic acid     (d) 3-methyl-2-butanone

and explain why