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1
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
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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.
2
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+
3
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Metals generally melt at very high temperature. Amongst the following, the metal with the highest melting point will be :

A
Hg
B
Ag
C
Ga
D
Cs
4
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
In the given chemical reaction, colors of the Fe2+ and Fe3+ ions, are respectively :

5Fe2+ + MnO$$_4^ - $$ + 8H+ $$\to$$ Mn2+ + 4H2O + 5Fe3+
A
Yellow, Orange
B
Yellow, Green
C
Green, Orange
D
Green, Yellow
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