Question

Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following is not the characteristic property of interstitial compounds?

• A. They have high melting points in comparison to pure metals
• B. They are very hard
• C. They retain metallic conductivity
• D. They are chemically very reactive

Answer 1

Answer: (D)

Interstitial compounds are chemically inert.