Advertisements
Advertisements
Question
Which one of the following statements related to lanthanons is incorrect?
Options
Europium shows +2 oxidation state.
The basicity decreases as the ionic radius decreases from Pr to Lu.
All the lanthanons are much more reactive than aluminium.
Ce4+ solutions are widely used as oxidising agents in volumetric analysis.
Advertisements
Solution
All the lanthanons are much more reactive than aluminium.
APPEARS IN
RELATED QUESTIONS
Assertion: Ce4+ is used as an oxidizing agent in volumetric analysis.
Reason: Ce4+ has the tendency of attaining +3 oxidation state.
The most common oxidation state of actinoids is ____________.
Which one of the following is not correct?
What are inner transition elements?
What are actinoids? Give three examples.
Actinoid contraction is greater from element to element than the lanthanoid contraction, why?
Out of Lu(OH)3 and La(OH)3 which is more basic and why?
Which of the following is not an actinoid?
The electronic configuration of gadolinium (Atomic number 64) is ______.
Electronic configurations of four elements A, B, C and D are given below:
(A) 1s22s22p6
(B) 1s22s22p4
(C) 1s22s22p63s1
(D) 1s22s22p5
Which of the following is the correct order of increasing tendency to gain electron:
