Tardigrade
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Tardigrade
Question
Chemistry
Identify the incorrect statement.
Q. Identify the incorrect statement.
5102
205
NEET
NEET 2020
The d-and f-Block Elements
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A
C
r
2
+
(
d
4
)
is a stronger reducing agent than
F
e
2
+
(
d
6
)
in water.
20%
B
The transition metals and their compounds are known for their catalytic activity due to their ability to adopt multiple oxidation states and to form complexes.
9%
C
Interstitial compounds are those that are formed when small atoms like H, C or N are trapped inside the crystal lattices of metals.
8%
D
The oxidation states of chromium in
C
r
O
4
2
−
and
C
r
2
O
7
2
−
are not the same.
64%
Solution:
Chromate
(
C
r
O
4
−
2
)
⇒
oxidation state
=
+
6
Dichromate
(
C
r
2
O
7
−
2
)
⇒
oxidation state
=
+
6
Oxidation states are same.
All other statements are correct except on oxidation states of chromium.