In context of the lanthanoids, which of the following statements is not correct ?

Engineering

Chemistry

f Block Elements and Properties

Lanthanide Contraction

Question

In context of the lanthanoids, which of the following statements is not correct ?

A

There is gradual decrease in the radii of the members with increasing atomic number in the series.

B

All the members exhibit + 3 oxidation state.

C

Availability of 4f electrons results in the formation of compounds in + 4 state for all the members of the series

D

Because of similar properties the separation of lanthanoids is not easy.

LiveFree JEE Main Previous Year Online Papers Live Free JEE Advance Previous Year Online Papers

JEE Advance

College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

Availability of 4f electrons donot results in the formation of compounds in +4 state for all the members of the series.