s Block ElementshardMCQ SINGLE

Beryllium and Aluminium exhibit a diagonal relationship, sharing several chemical properties. Which s Block Elements Chemistry Question

Question

Beryllium and Aluminium exhibit a diagonal relationship, sharing several chemical properties. Which of the following pairs of carbides perfectly illustrates this relationship by yielding the same hydrocarbon gas upon hydrolysis?

Answer: A

💡 Solution & Explanation

Due to their diagonal relationship, both Beryllium carbide ($Be_2C$) and Aluminium carbide ($Al_4C_3$) react with water to yield methane ($CH_4$) gas. In contrast, $CaC_2$ yields acetylene ($C_2H_2$) and $Mg_2C_3$ yields propyne ($C_3H_4$).

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