WorksheetsBSAC 204-Before-final-exam_Part 1
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the conjugate base of HCO3- ?
a)
H2CO3
b)
CO32-
c)
CO2
d)
CO3-
2.
Which of the following CANNOT act as a Lewis acid ?
a)
AlCl3
b)
Cu2+
c)
CO2
d)
Cl-
3.
Which of the following species is the softest base?
a)
F-
b)
Cl-
c)
Br-
d)
I-
4.
What is the estimated pKa1 of H2CO3 ? (pKa = 8-5p)
a)
8
b)
3
c)
-2
d)
-7
5.
What is symbol of pure acetic acid?
a)
CH3COOH (aq)
b)
CH3COOH (l)
c)
CH3CH2COOH (aq)
d)
CH3CH2COOH (l)
6.
Which of the following acids has its pKa value falling in the discrimination window of water?
a)
HNO3
b)
HCl
c)
HClO4
d)
HCOOH
7.
Which species is formed when MgO reacts with H2O?
a)
H+
b)
OH-
c)
MgH2
d)
O2-
8.
SO2 can act as..............
a)
Lewis acid
b)
Lewis base
c)
Lewis acid and Lewis base
d)
Bronsted acid
9.
When [Fe(H2O)6]3+ is in water, the solution is ......................
a)
acidic
b)
basic
c)
neutral
d)
clouded
10.
What is the pH of human's blood?
a)
5.5
b)
6.6
c)
7.0
d)
7.4
100 %
