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2931
The empirical formula of a hydrocarbon containing 0.12 mole of carbon 0.3 mole of hydrogen is
A.
CH
2
B.
CH
3
C.
C
2
H
2
D.
C
2
H
4
E.
C
2
H
6
View Answer & Discuss (4)
NECO 2009
2932
The reaction of an alkanol with alkanioc acid is known as
A.
dehydration
B.
esterification
C.
halogenation
D.
hydrogenation
E.
saponification
View Answer & Discuss (1)
NECO 2009
2933
The rate of a reaction usually increases with increase in the concentration of reactants because the
A.
distance between particles of the reactants increases
B.
frequency of collision of particles is lower
C.
particles of the reactants gain energy and move faster
D.
reactants from a complex which decomposes rapidly
E.
reactants occupy a higher energy level
View Answer & Discuss (12)
NECO 2009
2934
Which of the following compounds will undergo thermal dissociation?
A.
AgCl
B.
CaCO
3
C.
K
2
S0
4
D.
NaOH
E.
NH
4
CI
View Answer & Discuss (11)
NECO 2009
2935
Which of the following gases will bleach moist litmus paper?
A.
Cl
2
B.
CO
2
C.
HCl
D.
N
2
O
E.
SO
3
View Answer & Discuss (2)
NECO 2009
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