Aldehydes and Ketones Answers
1.

a. 
CH2 = O

b. 
CH3 – C – CH – CH2 – CH3 
           ll     l
          O    CH3

c. 

O =
                  l
                 CH3

d. 
CH – CH – CH2 – CH – CH2 – CH – CH3
 ll       l                    l                    l
 O     CH3              CH3              CH3

e. 
CH3 – CH –CH2 – CH
            l                 ll 
           Br              O 

f. 
                              =O

              l          l 
            I           I

g. 
CH3 – C – CH – CH2 – CH3 
           ll     l
          O    CH3

h. 
CH3 – C – CH =  C – CH3 
           ll               l
          O              CH3

i. 
CH3 – C – CH2 –   CH2 – CH3 
           ll               
          O              

j. 
CH – CH2 – CH2 – CH –CH3
 ll                              l     
 O                           CH3       

k. 
CH – CH = CH – CH3
 ll                              
 O                                  

l. 
CH – CH2 –CH –CH3
 ll                  l     
 O               CH3       

m. 
CH – CH2 – CH – CH2 –CH3
 ll                    l     
 O                  Cl

n. 
CH2 = O

o. 
CH3 – C – CH2 – CH2 – CH3 
           ll    
          O    

p. 
CH3 – C – CH – CH2 – CH2 – CH3 
           ll     l
          O    CH3

q. 
CH – CH2 – CH – CH – CH2 – CH2 – CH3
 ll                   l         l                    
 O    CH3 – CH2      CH2 – CH3              

r.
                                O
                                 ll
                                        ––CH 

s.
                                O
                                 ll
                                        ––CH 

Cl ––

l
Cl

t.
                                O
                                 ll
                                        ––CH 

–– CH3

CH3
  l

u. 
CH – CH – CH – CH – CH – CH3 
  ll        l       l        l         l
  O      Cl     Cl     Cl        Cl

v. 
CH3 – C – CH3 
           ll     
          O    

w. 
CH3 – C – CH2 – CH2 – CH2 – CH2 – CH3 
           ll    
          O    

x. 
CH – CH2 – CH2 – CH2 – CH2 – CH2 – CH2 – CH2 – CH2 – CH 
  ll                                                                                             l
  O                                                                                           Cl

y. 
CH3 – C – CH – CH2 – C – CH3 
           ll     l                   ll
          O    CH3              O

2.
a.	
a.	4 – methyl – 2 – pentanone 
b.	cyclopropanone
c.	2, 5 – dichlorocyclopentanone
d.	5 – chlorohexan – 2, 4 – dione
e.	Propanal
f.	2 – methylcyclohexanone
g.	2 – butanone
h.	4 – methylpentan – 2 – one 
i.	3, 5, 5 – trimethylhexanal