2013 - JAMB Chemistry Past Questions and Answers - page 4
31
2- methylbutan- 2ol is an example of a
A
dihydric alkanol
B
tertiary alkanol
C
secondary alkanol
D
primary alkanol
correct option: b
Users' Answers & Comments32
The reaction between ammonia and ethyl ethanoate produces
A
propanol and ethanamide
B
propanol and propanamide
C
ethanol and propanamide
D
ethanol and ethanamide
correct option: d
Users' Answers & Comments33
The decarboxylation of ethanoic acid will produce carbon (IV)oxide and
A
methane
B
ethane
C
propane
D
butane
correct option: a
Users' Answers & Comments34
A primary amide is generally represented by the formula
A
RCOOR
B
RCONH 2
C
RCONHR
D
RCONR 2
correct option: b
Users' Answers & Comments35
Which of the following fraction is used as raw material for the cracking process?
A
kerosine
B
lubricating oil
C
bitumen
D
diesel oils
correct option: d
Users' Answers & Comments36
An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formula
rn(C=12,H =1, O=16)
rn(C=12,H =1, O=16)
A
C 5H 12O
B
C 3H 8O
C
C 6H 13O 2
D
C 4H 9O
correct option: b
Users' Answers & Comments37
From the diagram above, an ideal gas is represented by
A
Z
B
W
C
X
D
Y
correct option: a
Users' Answers & Comments38
In the graph above, the activation energy of the catalyzed reaction is
A
100KJ
B
300KJ
C
250KJ
D
200KJ
correct option: d
Users' Answers & Comments39
Choose the correct option from the graph above . 3Fe(S) + 4H2O(g) ⇌ Fe3O4(s) + 4H2(g). The equilibrium constant, K, of the reaction above is represented as
A
A
B
B
C
C
D
D
correct option: c
Users' Answers & Comments40
The IUPAC nomenclature for the compound above is
A
4-methylpent-1-ene
B
3-methylpent-2-ene
C
2-methylpent-1ene
D
2-methylpent-4-ene
correct option: a
Users' Answers & Comments