Solid State Question 250

Question: Which of the following solids are not correctly matched with the bonds found between the constituent particles-

Options:

A) Solid $ CO_2 $ : van der Waals

B) Graphite: Covalent and van der Waals

C) Grey Cast Iron: Ionic

D) Metal alloys: lons-delocalised electrons

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Answer:

Correct Answer: C

Solution:

[c] Grey cast iron is a metallic solid.