Which of the following is an example of interstitial hydride?

Which of the following is an example of interstitial hydride?
  1. $\mathrm{NH}_3$
  2. $\mathrm{CH}_4$
  3. $\mathrm{ZnH}_2$
  4. $\mathrm{H}_2 \mathrm{O}$

Solution

$\mathrm{ZnH}_2$ is an example of inerstitial hydride while $\mathrm{NH}_3, \mathrm{CH}_4$ and $\mathrm{H}_2 \mathrm{O}$ are the examples of covalent hydride.

Asked in: AP EAMCET 2007

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