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MODEL PAPER 9 — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 91 Mark
MCQ
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 retain metallic conductivity.
  • B
    They have high melting points in comparison to pure metals.
  • ✓
    They are chemically very reactive.
  • D
    They are very hard.
✓

Answer

Correct option: C.
They are chemically very reactive.
(c) They are chemically very reactive.
Explanation: Interstitial compounds are chemically inert not reactive.

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