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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides? [AIEEE 2011]

Answer: (A)

Solution

Basic character increases with increasing electropositive/metallic character of the metal: the amphoteric is least basic, the alkaline-earth oxide is more basic, and among the alkali-metal oxides basicity increases down the group,

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Question ID VK-133138