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

MEDIUM

12th Odisha Board

IMPORTANT

Earn 100

${La}^{3 +}$ and ${Lu}^{3 +}$ are colourless, whereas ${Sm}^{3 +}$ and ${Eu}^{3 +}$ are coloured. 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 6

Chemistry of all lanthanoids is quite similar. Why?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 7

From element to element, the actinoid contraction is greater than the lanthanoid contraction. Why?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 8

Give reason why : Chemistry of all the lanthanoids is quite similar.

MEDIUM

12th Odisha Board

IMPORTANT

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

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 1

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

MEDIUM

12th Odisha Board

IMPORTANT

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

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

MEDIUM

12th Odisha Board

IMPORTANT

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

Name an important alloy containing some of the lanthanoid metals. Mention its uses.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 12 - The f-block Elements>QUESTIONS>Q 3

Which is the last element in the series of Actinoids? Write its electronic configuration.