2009 - JAMB Chemistry Past Questions and Answers - page 5
41
Which of the following molecules has two other positional isomers?
A
CH3CH2Br
B
CH3CHBrCH3
C
CBr2F2
D
CH2CHBrCH2Br
correct option: d
Users' Answers & Comments42
Which of the following class of compounds can exist as dipolar ions in solution?
A
Alkanoic acid
B
Fatty acids
C
Dialkanoic acids
D
Amino acids
correct option: d
Users' Answers & Comments43
Lucas reagent is used to test for
A
alkanes
B
alkanoic acids
C
alkanols
D
amines
correct option: c
Users' Answers & Comments44
A compound commonly used for sterilization and preservation of specimens and food is
A
ethanol
B
benzene
C
ether
D
ammonia
correct option: a
Users' Answers & Comments45
An organic compound reacted with bromine water to give a colourless solution. The compound is probably an
A
alkene
B
alkanal
C
alkyne
D
alkanone
correct option: c
Users' Answers & Comments46
Which of the following hydrocarbons is mainly used as fuel?
A
Methylene
B
Ethylene
C
Methane
D
Ethyne
correct option: c
Users' Answers & Comments47
The molecular formula of a common organic laboratory anaesthetic is
A
CHCl3
B
CHI3
C
CCl4
D
CHF3
correct option: a
Users' Answers & Comments48
The simplest branched-chain hydrocarbon is
A
ethane
B
ethene
C
propane
D
butane
correct option: d
Users' Answers & Comments49
Organic molecules that have the suffix-ene are unsaturated hydrocarbons that have
A
a single bond
B
a double bond
C
a triple bond
D
an ionic bond
correct option: b
Users' Answers & Comments50
If the relative molecular mass of an element is not a whole number, it can be deduced that the element is
A
Naturally radioactive
B
abundant in nature
C
a transition metal
D
an isotopic mixture
correct option: d
Users' Answers & Comments