Which of the following reactions describes the formation of a molecular compound of hydrogen? A) 2K(s)+ H₂(g)→ 2KH(s) B) 2Na(s)+ H₂(g)→ 2NaH(s) C) Sr(s)+ H₂(g)→ SrH₂(s) D) Si(s)+ 2H₂(g)→ SiH(g) E) 2Al(s)+ 3H₂(g)→ 2AlH₃(s)

Question

Quizplus · Accepted Answer

The correct reaction for the formation of a molecular compound of hydrogen is D) Si(s) + 2H₂(g) → SiH₄(g), which results in silane, a molecular compound. The other reactions form ionic hydrides, not molecular compounds.

Which of the Following Reactions Describes the Formation of a Molecular