Catalysts Flashcards
1
Q
Three types of catalyst
A
Homogeneous cat
Heterogeneous cat
Auto cat
2
Q
Explain homogeneous cat
A
same physical state as rxtants
3
Q
Explain heterogeneous cat
A
Different physical state from rxtants
4
Q
Explain auto cat
A
- pdt of chemical rn;
- acting as catalyst l;
- rn slow initially; more rapid
5
Q
Eg of homo cat
A
2I- + S2O82- –> I2 + 2SO4-
a) 2I- + Fe3+ –> I2 + Fe2+
b) Fe2+ + S2O82- –> 2SO4- + Fe3+
6
Q
Eg of auto
A
2MnO4- + 5C2O42- + 16H+
–>
2Mn2+ + 10CO2 + 8H2O
7
Q
Eg of hetero
A
Haber cycle
