JEE Main 2022 (Online) 25th June Morning Shift | d and f Block Elements Question 56 | Chemistry

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JEE Main 2022 (Online) 25th June Morning Shift

MCQ (Single Correct Answer)

-1

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

It will not prefer to undergo redox reactions.

It will prefer to gain electron and act as an oxidizing agent.

It will prefer to give away an electron and behave as reducing agent.

It acts as both, oxidizing and reducing agent.

JEE Main 2022 (Online) 25th June Morning Shift

MCQ (Single Correct Answer)

-1

Among the following, which is the strongest oxidizing agent?

Mn³⁺

Fe³⁺

Ti³⁺

Cr³⁺

JEE Main 2022 (Online) 24th June Evening Shift

MCQ (Single Correct Answer)

-1

Metals generally melt at very high temperature. Amongst the following, the metal with the highest melting point will be :

JEE Main 2021 (Online) 1st September Evening Shift

MCQ (Single Correct Answer)

-1

In the given chemical reaction, colors of the Fe²⁺ and Fe³⁺ ions, are respectively :

5Fe²⁺ + MnO$$_4^ - $$ + 8H⁺ $$\to$$ Mn²⁺ + 4H₂O + 5Fe³⁺

Yellow, Orange

Yellow, Green

Green, Orange

Green, Yellow

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