Beryllium () and Aluminium () exhibit a strong diagonal relationship. Which of the following paired — s Block Elements Chemistry Question

💡 Solution & Explanation

Both Beryllium carbide ($Be_2C$) and Aluminium carbide ($Al_4C_3$) are methanides. Upon complete hydrolysis, they both exclusively yield methane gas ($CH_4$), unlike Calcium carbide ($CaC_2$) which yields acetylene.