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1
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The pair, in which ions are isoelectronic with AI3+ is :

A
Br$$-$$ and Be2+
B
Cl$$-$$ and Li+
C
S2$$-$$ and K+
D
O2$$-$$ and Mg2+
2
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Number of electron deficient molecules among the following

PH3, B2H6, CCl4, NH3, LiH and BCl3 is

A
0
B
1
C
2
D
3
3
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

White precipitate of AgCl dissolves in aqueous ammonia solution due to formation of :

A
[Ag(NH3)4]Cl2
B
[Ag(Cl)2(NH3)2]
C
[Ag(NH3)2]Cl
D
[Ag(NH3)Cl]Cl
4
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.

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