JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Caesium oxide will be:

(A)Very strongly basicCorrect
(B)Acidic
(C)Weakly basic
(D)Amphoteric

Answer: (A)

Solution

Caesium is the most electropositive of the common alkali metals, so its oxide, , is an extremely strongly basic oxide, reacting vigorously with water to give the strongly basic CsOH. It is not acidic or

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Question ID VK-137857