7.9.4 AMIDES
For each of the
questions only one of the lettered
responses (A – D) is correct.
Select the correct response in each case and mark its code letter by connecting the dots as illustrated on the answer sheet.
1
Which one
of the following substances does not
react with lithal, LiAlH4?
A propanenitrile
B propanal
C propene
D
propanamide
2
Which one
of the following is an incorrect statement about ethanamide?
A
it can be made by reaction between ammonia and ethanoyl chloride
B
it is converted to ethylamine using diphosphorus pentoxide
C
it can be made by reaction between ethanoic acid and ammonia
D
it can be hydrolysed by mineral acid to form a carboxylic acid
3
Which one
of the following lists places the compounds in order of increasing basic
strength of their aqueous solutions?
$A
ethanamide, phenylamine, ammonia, ethylamine
B phenylamine, ethanamide, ethylamine,
ammonia
C ammonia, ethanamide ,ethylamine,
phenylamine
D ethylamine, ammonia, phenylamine,
ethanamide
4
What is
the percentage yield of ethanamide if 7.85 g of ethanoyl chloride is reacted
with an excess of ammonia and 4.43 g of
ethanamide is recovered?
A
37.5
B
50
C 75
D
100
5
1. Write the following compounds in order
of increasing basic strength:
ammonia, ethanamide, ethylamine,
phenylamine
[2]
NI98S