Which of the following is an interstitial compound?
The correct option is D $$TiH$$
An interstitial compound is a compound that is formed when an atom with a small enough radius sits in an interstitial hole in a metal lattice. Examples of small atoms are boron, carbon and nitrogen. These compounds play an important role in industries. Examples: $$TiH$$, $$Fe_3H$$ and $$Mn_4N$$