JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Which of the following option is the correct order for the basic strength of metallic hydroxides?

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Correct option: A

{Al}({OH})_3 < {Lu}({OH})_3 < {Ce}({OH})_3 < {Ca}({OH})_2

Option A (

{Al}({OH})_3 < {Lu}({OH})_3 < {Ce}({OH})_3 < {Ca}({OH})_2

) is correct because basic strength of metallic hydroxides increases with decreasing charge density and increasing electropositive character.

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