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  • The incorrect statement(s) among the following isOption: 1 <img alt="Ce^{4+}, Yb^{2+}\:and \:Lu^{3+}" src="https://entrancecorner.oncodecogs.com/gif.

The incorrect statement(s) among the following is

Option: 1

Ce^{4+}, Yb^{2+}\:and \:Lu^{3+} are diamagnetic


Option: 2

Carbides of lanthanoids producesC_2H_2 on hydrolysis


Option: 3

 Lanthanoids are coloured due to f-f transition


Option: 4

(4) All lanthanoids are radioactive except Pm.


Answers (1)

best_answer

Answer (4)

All lanthanoids are non-radioactive except Pm.

Posted by

Pankaj Sanodiya

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