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Byju's Answer
Standard IX
Chemistry
Solubility in Ammonia (Group 1)
FeX2 and FeY3...
Question
F
e
X
2
and
F
e
Y
3
are known when
X
and
Y
are:
A
X
=
C
l
,
B
r
,
I
and
Y
=
F
,
C
l
,
B
r
,
I
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B
X
=
F
,
C
l
,
B
r
,
I
and
Y
=
F
,
C
l
,
B
r
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C
X
=
F
,
C
l
,
B
r
,
I
and
Y
=
F
,
C
l
,
B
r
,
I
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D
X
=
F
,
C
l
,
B
r
and
Y
=
F
,
C
l
,
B
r
,
I
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Solution
The correct option is
B
X
=
F
,
C
l
,
B
r
,
I
and
Y
=
F
,
C
l
,
B
r
F
e
I
3
, does not form because of
I
−
being very good reducing agent.
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