List of top Chemistry Questions on The Lanthanoids asked in MHT CET

Which from following elements belongs to inner transition elements?
Which from following elements belongs to inner transition elements?
Which from following elements belongs to inner transition elements?
Which trend is correct regarding ionic radius in the 4f-series (lanthanides)?
Which one of the lanthanoids given below is the most stable in divalent form?
Which among the following properties of lanthanoids is NOT true?
What are the formulae of the compounds formed when lanthanoids (Ln) react with nitrogen and halogen respectively?