Redox rns Flashcards
1
Q
Highest OS
A
Reducing agent
2
Q
H shows -1 with
A
e’ +ve metals
3
Q
O shows -1 in
A
peroxide
4
Q
O shows -1/2 in
A
superoxide like KO2
5
Q
O shows +1 in
A
O2F2
6
Q
OS increase, acidic strength
A
increases
7
Q
When metal combine with non metal, it shows
A
+ve OS
8
Q
In which, OS of metal is 0
A
metal carbonyls & amalgams
9
Q
Why does Cr show +6 in CrO5
A
4 ‘O’ exists as peroxide
10
Q
Caro’s acid
A
H2SO5
11
Q
State of S in H2SO5
A
+6
12
Q
Marshall’s acid
A
H2S2O8
13
Q
Bleaching powder
A
CaOCl2
14
Q
For combination redox
A
either reactant must be in elementary state
15
Q
For decomposition redox
A
Any one prod must be in elementary state
16
Q
Every decomposition rns are not
A
redox
17
Q
which cannot show disproportionation rn
A
F
18
Q
Equivalent mass
A
MM of oxid/red agent/No of e’s gained or lost
19
Q
Which metals liberate H2
A
with -ve Red potential
