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Byju's Answer
Standard XII
Chemistry
Methods to Form Lyophobic Colloids
The Ratio of ...
Question
The Ratio of Fe+3 and fe+2 in Fe0.9S1.0?
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Similar questions
Q.
Mole ratio of
F
e
in
F
e
O
,
F
e
2
O
3
and
F
e
3
O
4
samples of equal mass is:
Q.
The ratio of
F
e
3
+
and
F
e
2
+
ions in
F
e
0.9
S
1.0
is
Q.
F
e
2
+
→
F
e
3
+
+
e
−
;
M
n
O
−
4
+
5
e
−
→
M
n
2
+
, the ratio of stoichiometric coefficient of
F
e
2
+
and
M
n
O
−
4
in the balanced redox reaction is:
Q.
Which of the following statements are correct for the given electrochemical cells?
(I)
F
e
|
F
e
2
+
|
|
F
e
3
+
|
F
e
(II)
F
e
|
F
e
2
+
|
|
F
e
3
+
,
F
e
2
+
|
P
t
(III)
F
e
|
F
e
3
+
|
|
F
e
3
+
,
F
e
2
+
|
P
t
Q.
If
E
0
F
e
+
2
/
F
e
=
−
0.441
V
and
E
0
F
e
+
3
/
F
e
+
2
and
E
0
F
e
+
3
/
F
e
+
2
=
0.771
V
the standard EMF of the reaction
F
e
+
2
F
e
+
3
→
3
F
e
+
2
will be:
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