JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Beryllium shows diagonal relationship with aluminium. Which of the following similarities is incorrect?

(A) like yields methane on hydrolysis
(B)Be, like Al, is rendered passive by
(C), like , is basicCorrect
(D)Be forms beryllates and Al forms aluminates

Answer: (C)

Solution

Both and are amphoteric, not simply "basic" — they dissolve in both acids and alkalis — so describing them as basic is the incorrect statement among those listed. Methane evolution on hydrolysis of

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Question ID VK-138036