Tardigrade
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Tardigrade
Question
Chemistry
Select the correct statement(s)
Q. Select the correct statement(s)
146
169
The d-and f-Block Elements
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A
Stabilities of variable oxidation states can be explained by standard electrode potential
B
C
r
2
+
is unstable and
C
r
3
+
is stable in aqueous solution
C
F
e
2
+
is stable and
F
e
3
+
is unstable in aerated water
D
All of the above are correct statements
Solution:
Correct answer is (a) Stabilities of variable oxidation states can be explained by standard electrode potentialCorrect answer is (b)
C
r
2
+
is unstable and
C
r
3
+
is stable in aqueous solution