Question

Which of these solid compounds are most likely to have its dominant bonding mechanism as NOT covalent? (Select all that are true.)

Group of answer choices

Sterling silver (Ag-Cu)

Ice (solid H2O)


Hydrofluoric acid (HF)

Graphite (Carbon)

Rust (Fe2O3)

Zinc

Answer 1

Rust (Fe₂O₃) has its dominant bonding mechanism as NOT covalent.

An ionic compound or bond exists between such metal and non-metal, and ionic bonds disintegrate in water. Rust is unquestionably a mixture of metal and non-metal, but it is also ionic.

So,

Option "5" rust is a suitable solid compound having a dominant bonding mechanism.

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