Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 4

MEDIUM

12th Odisha Board

IMPORTANT

Earn 100

$La {(OH)}_{3}$ is more basic than $Lu {(OH)}_{3}$ , why’?

Important Questions on The f-block Elements

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 5

Why

{Sm}^{2 +}, {Eu}^{2 +}

and

{Yb}^{2 +}

ions in solutions are good reducing agents, but an aqueous solution of

{Ce}^{4 +}

is a good oxidising agent.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 1

Write the general electronic configuration of lanthanoids.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 1

Why

{Sm}^{2 +}, {Eu}^{2 +}

and

{Yb}^{2 +}

ions in solutions are good reducing agents?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 1

Why is the separation of lanthanoid elements difficult?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 2

Compare the chemistry of actinoids with that of lanthanoids with special reference to electronic configuration.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 2

Compare the chemistry of actinoids with that of lanthanoids with special reference to oxidation state.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 2

Compare the chemistry of actinoids with that of lanthanoids with special reference to atomic and ionic sizes.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 2

Compare the chemistry of actinoids with that of lanthanoids with special reference to chemical reactivity.