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1
JEE Main 2022 (Online) 26th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The most common oxidation state of Lanthanoid elements is +3. Which of the following is likely to deviate easily from +3 oxidation state?

A
Ce (At. No. 58)
B
La (At. No. 57)
C
Lu (At. No. 71)
D
Gd (At. No. 64)
2
JEE Main 2022 (Online) 25th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The metal ion (in gaseous state) with lowest spin-only magnetic moment value is :

A
V2+
B
Ni2+
C
Cr2+
D
Fe2+
3
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Cerium (IV) has a noble gas configuration. Which of the following is correct statement about it?

A
It will not prefer to undergo redox reactions.
B
It will prefer to gain electron and act as an oxidizing agent.
C
It will prefer to give away an electron and behave as reducing agent.
D
It acts as both, oxidizing and reducing agent.
4
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Among the following, which is the strongest oxidizing agent?

A
Mn3+
B
Fe3+
C
Ti3+
D
Cr3+
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