Question
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Solving time: 3 mins
In context of the lanthanoids, which of the following statements is not correct?
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Text solutionVerified
(a) There is a gradual decrease in the radii of the lanthanoids with increasing atomic number a case of lanthanide contraction, thus true.
(b) Ionisation potential for the formation of is comparatively low, hence state is favourable, thus true.
(c) Due to lanthanoide contraction-Zr and and , Mo and have the same size and thus similar properties and thus separation is not easy, thus true.
(d) Formation of state requires very high energy, thus incorrect.
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Question Text | In context of the lanthanoids, which of the following statements is not correct? |
Topic | The d-and f-Block Elements |
Subject | Chemistry |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 137 |