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WorksheetsPurine Pyrimidine
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
pyrimidine is
a)
sp2 hybridized
b)
planar
c)
aromatic
d)
all
2.
pyrimidine is synthesised from
a)
1 3 dicarbonyl compound
b)
alpha beta unsaturated ketone
c)
a and b
d)
none
3.
4 methyl pyrimidine undergo oxidation and form
a)
pyrimidine
b)
pyrrole
c)
purine
d)
all
4.
pyrimidine undergo
a)
nitration
b)
sulfonation
c)
halogenation
d)
acetylation
5.
pyrimidine is present in
a)
flucytosine
b)
sulfadiazine
c)
trimethoprim
d)
all
6.
vitamin B1 contains
a)
purine
b)
pyrimidine
c)
imidazole
d)
all
7.
traube synthesis is used for synthesis of
a)
purine
b)
pyrimidine
c)
indole
d)
imidazole
8.
formamide react with pocl3 and form
a)
9H purine 2 amine
b)
pyrimidine
c)
8H purine
d)
9H pyrimidine
9.
electrophilic substitution occur at
a)
8
b)
9
c)
6
d)
5
10.
xanthine undergo
a)
nitration
b)
chlorination
c)
bromimation
d)
all
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