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166
Which of the following statement is not correct about esterification?
A.
It is a slow reaction
B.
the process is reversible
C.
it is similar to hydrolysis
D.
it is catalysed by acids
E.
the products usually have a fruity smell
View Answer & Discuss (8)
WAEC 1992
167
Which of the following statements is not correct? The 4s orbital
A.
is defined by the quantum number 1 = O
B.
is of higher energy than the 3d orbital
C.
contains a maximum of two electrons
D.
is spherical about the nucleus
E.
is filled before the 4p orbital
View Answer & Discuss (2)
WAEC 1992
168
Which of the following pH values is likely to be that of a slightly alkaline solution?
A.
2
B.
5
C.
7
D.
8
E.
13
View Answer & Discuss (1)
WAEC 1992
169
Which of the following minerals contains flurine as one of its constituent elements?
A.
Cryolite
B.
Bauxite
C.
Potash alum
D.
Kaolin
E.
Mica
View Answer & Discuss (2)
WAEC 1992
170
The product of the reaction between propanoic acid and ethanol is
A.
prophlmethanoate
B.
ethylethanoate
C.
methylpropanoate
D.
propylethanoate
E.
ethylpropanoate
View Answer & Discuss
WAEC 1992
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