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Byju's Answer
Standard XII
Chemistry
Staggered Conformation
Why in FeO an...
Question
Why in FeO and FeO3 fe mass of Fe is taken in parts
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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.
Calculate the weight of
V
2
O
5
produced from
5.75
g of
F
e
2
O
3
.
V
O
+
F
e
2
O
3
→
F
e
O
+
V
2
O
5
(Fe
=
56
, V
=
51
, O
=
16
)
Q.
One mole sample of
F
e
O
is heated in air until it is completely converted into
F
e
2
O
3
. The percentage increase in weight of the sample is?
[Given: Atomic mass of Fe = 56]
Q.
The following two reactions are known
F
e
2
O
3
(
s
)
+
3
C
O
(
g
)
→
2
F
e
(
s
)
+
3
C
O
2
(
g
)
;
Δ
H
=
−
26.8
k
J
F
e
O
(
s
)
+
C
O
(
g
)
→
F
e
(
s
)
+
C
O
2
(
g
)
Δ
H
=
−
16.5
k
J
The value of
Δ
H
for the following reaction is:
F
e
2
O
3
(
s
)
+
C
O
(
g
)
→
2
F
e
O
(
s
)
+
C
O
2
(
g
)
Q.
The mass of
F
e
O
produced from
2
g
V
O
and
5.75
g of
F
e
2
O
3
is (as nearest integer)
:
V
O
+
F
e
2
O
3
→
F
e
O
+
V
2
O
5
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