1
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.
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
Change Language

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
JEE Main Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12