Aromatic Chemistry 5

Question 1

describe the synthesis of aniline?

Answer 1

benzene nitrated using mixture of acids = nitrobenzene

nitrobenzene converted to aniline using catalytic hydrogenation / chemical reduction

Question 2

how can aniline form diazonium salts?

Answer 2

using sodium nitrate in HCl/ H2SO4

reactants + product = unstable so process carried out under ice-cold conditions

Question 3

diazonium salts can be used as electrophiles to make …

Answer 3

azo dyes

Question 4

azo dyes can be used as …

Answer 4

ph indicators

Question 5

ago compounds are …

Answer 5

photoactive

Question 6

the sandemeyer reaction uses ….

Answer 6

cuprous [Cu(I)] salts

Question 7

what does the Schiemann reaction show?

Answer 7

synthesis of fluorobenzenes

Question 8

treatment of diazonium salt with hypo phosphorous acid leads to…

Answer 8

unsubstitution

Question 9

when do we use the prefix 1,X-di?

Answer 9

when both substituents = same

Question 10

if 2 substituents are different, what do we use?

Answer 10

name in alphabetical order

Question 11

when 3 or more substituents exist, what do we use instead of using o,m,p?

Answer 11

name using lowest possible numbers