WorksheetsBSAC 204-Before-final-exam_Part 3
Total questions: 10
Worksheet time: 5mins
How many electrons per 1 sulfur involves in the following reaction:
H2SO3 ---> HSO4– ?
0 electron
1 electron
2 electrons
4 electrons
How many species in the equation below involve in the calculation of the Q value in the Nernst equation?
AgCl(s) + e- ---> Ag(s) + Cl-(aq)
1
2
3
4
Which of the following reactions is considered as a comproportionation reaction (unbalanced)?
Co3+ --> Co + Co2+
Fe2+ --> Fe + Fe3+
Co + Co2+ --> Co3+
Fe + Fe3+ --> Fe2+
What is the equation for the construction of Frost diagrams?
X(N) + Ne- --> X(0)
X(0) --> X(N) + Ne-
X(N) --> X(0) + Ne-
X(0) + Ne- --> X(N)
In the frost diagram, which species is the least stable one?
The one with the lowest N.
The one with the highest N.
The one with the lowest NEo.
The one with the highest NEo.
Which type of diagrams can be used to predict which temperature is suitable for converting Al2O3 to Al ?
Pourbaix diagram
Frost diagram
Latimer diagram
Ellingham diagram
Which species are commonly used for the reduction of metal oxides to pure metals?
C and CO
CO and CO2
C and CO2
C, CO, and CO2
What is the final exam date for this class?
24 Nov, 8.30-10.30 AM
24 Nov, 1.00-3.00 PM
26 Nov, 8.30-10.30 AM
26 Nov, 1.00-3.00 PM
On earth, oxygen is the most abundant element, making up about 47% of the earth's mass.
Which element is second ?
Si
Fe
Al
Mg
Which of the following is NOT an element in the periodic table?
Bohrium (Bh)
Nobelium (No)
Roentgenium (Rg)
Thailium (Th)
