Beryllium () and Aluminium () exhibit a strong diagonal relationship. Which of the following paired chemical reactions correctly highlights this similarity concerning their carbides?

Question

Beryllium ($Be$) and Aluminium ($Al$) exhibit a strong diagonal relationship. Which of the following paired chemical reactions correctly highlights this similarity concerning their carbides?

Prashant Kotian · Accepted Answer

Correct answer: B. Both Beryllium carbide () and Aluminium carbide () are methanides. Upon complete hydrolysis, they both exclusively yield methane gas (), unlike Calcium carbide () which yields acetylene.

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