Question

Arrange Ce3+, La3+, Pm3+ and Yb3+ in increasing order of their ionic radii

Solution

Correct option is

Yb3+ < Pm3+ < Ce3+ < La3+

 

Due to lanthanoid contraction order will be

                Yb3+ < Pm3+ < Ce3+ < La3+

SIMILAR QUESTIONS

Q1

Actinides

Q2

Lanthanide contraction occurs because

Q3

Which of the following ion is diamagnetic?

Q4

Which of the following statement is not correct?

Q5

A mixture of TiOand BaSO4 is called

Q6

Transition metal with low oxidation number will act as

Q7

Which of the following pair will have effective magnetic moment equal?

Q8

Which is the least soluble in water?

Q9

Which of the following ions form most stable complex compound?

Q10

 

The basic character of the transition metal monoxide follows the order

(At. No. of Ti = 22, V = 23, Cr = 24, Fe = 26)