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Byju's Answer
Standard XII
Chemistry
Introduction
Which of the ...
Question
Which of the following is/are represent the correct sequence of indicated property ?
A
Mn
2
+
< Ni
2
+
< Co
2
+
< Fe
2
+
: Magnetic moment
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B
FeO > CoO > NiO : Basic character
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C
Sc < Ti < Cr < Mn : Number of oxidation states
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D
1.73
μ
: one unpaired
Θ
e
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Solution
The correct options are
B
FeO > CoO > NiO : Basic character
C
Sc < Ti < Cr < Mn : Number of oxidation states
D
1.73
μ
: one unpaired
Θ
e
Suggest Corrections
0
Similar questions
Q.
Which of the following arrangments does not represent the correct order of the property stated against it?
(1)
V
2
+
<
C
r
2
+
<
M
n
2
<
F
e
2
+
: paramagnetic behaviour
(2)
N
i
2
+
<
C
o
2
+
<
F
e
2
+
<
M
n
2
+
: ionic size
(3)
C
o
3
+
<
F
e
3
+
<
C
r
3
+
<
S
c
3
+
: stability in aqueous solution
(4)
S
c
<
T
i
<
C
r
<
M
n
: number of oxidation states
Q.
Magnetic moment 2.83 BM is given by which of the following ions?
(At. nos. Ti = 22, Cr = 24, Mn = 25, Ni = 28)
Q.
How many of the following ions have spin magnetic moment more than four B.M.?
T
i
3
+
,
C
u
+
,
N
i
2
+
,
F
e
3
+
,
M
n
2
+
,
C
o
2
+
Q.
The correct order of
E
0
M
2
+
/
M
values with negative sign for the four successive elements Cr, Mn, Fe and Co is
Q.
Write down the number of 3d electrons in each of the following ions:
T
i
2
+
,
V
2
+
,
C
r
3
+
,
M
n
2
+
,
F
e
2
+
,
F
e
3
+
,
C
o
2
+
,
N
i
2
+
and
C
u
2
+
. Indicate how would you expect the five
3
d
orbitals to be occupied for these hydrated ions (octahedral).
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