Which of the following responses lists only the ionichydrides? I) LiH II) B2H6 I

Question

Which of the following responses lists only the ionichydrides? I) LiH        II) B2H6              III) GeH4              IV) HCl         V) BaH2 a) I            b) I,V                 c) II,III               d) II, III, IV       e) I, II V Thank you so much for your help! Which of the following responses lists only the ionichydrides? I) LiH        II) B2H6              III) GeH4              IV) HCl         V) BaH2 a) I            b) I,V                 c) II,III               d) II, III, IV       e) I, II V Thank you so much for your help!

Explanation / Answer

B. Ionic hydrides occur when a hydrogen atom binds to ametal that has very low electronegativity. The atoms with theleast electronegativity are generally the alkali metals andalkaline earth metals. Therefore, we can include LiH andBaH2 in our answers. This gives (b).

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