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JEE Main Chemistry Class 12 The D and F Block Elements Part 2 Questions
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Question : 26
Total: 111
Given below are two statements:
Statement (I) : In the Lanthanoids, the formation of
Ce
+
4
is favoured by its noble gas configuration.
Statement (II) :
Ce
+
4
is a strong oxidant reverting to the common +3 state.
In the light of the above statements, choose the most appropriate answer from the options given below:
[27-Jan-2024 Shift 2]
Statement I is false but Statement II is true
Both Statement I and Statement II are true
Statement I is true but Statement II is false
Both Statement I and Statement II are false
Validate
Solution:
Statement (1) is true,
Ce
+
4
has noble gas electronic configuration.
Statement (2) is also true due to high reduction potential for
Ce
4
+
∕
Ce
3
+
(
+
1.74
V
)
, and stability of
Ce
3
+
,
Ce
4
+
acts as strong oxidizing agent.
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