Question:

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

Updated On: Jul 6, 2024
  • 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.
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The Correct Option is B

Solution and Explanation

\(E°\) value of \(Ce^{+4}|Ce^{+3}\) is \(1.74\ V\), which suggests that it is a very good oxidising agent.

So, the correct option is (B): It will prefer to gain electron and act as an oxidizing agent.

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Concepts Used:

P-Block Elements

  • P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
  • P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.

P block elements consist of: