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416
When dilute copper (ll) chloride solution is electrolysed, the reaction at the cathode is represented by the equation
A.
Cu → Cu
2+
+ 2e-
B.
Cu
2+
+ 2e- → Cu
C.
40H- - 4e- → O
2
+ 2H
2
O
D.
2CI- → CI
2
+ 2e
View Answer & Discuss
WAEC 1999
417
How many carbon atoms are present in one molecule of 2-methylpropane?
A.
2
B.
3
C.
4
D.
5
View Answer & Discuss (1)
WAEC 1999
418
Which of the following is the most reactive towards bromine?
A.
Methane
B.
Benzene
C.
Ethyne
D.
Hexane
View Answer & Discuss
WAEC 1999
419
Which of the following compounds is unsaturated?
A.
2-methylbutane
B.
Chloromethane
C.
Methylbenzene
D.
1,2-dibromoethane
View Answer & Discuss
WAEC 1999
420
Which of the following compounds reacts with sodium hydroxide to form a salt?
A.
CH
3
CH
2
COOH
B.
(CH
3
)
3
COH
C.
CH
3
CH=CH
2
D.
C
6
H
12
O
6
View Answer & Discuss (1)
WAEC 1999
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