Which of the following is NOT a physical or c | vedclass

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(B) Interstitial compounds are formed when small atoms like $H, C, N$ are trapped inside the crystal lattice of transition metals.Their key characteri

Vedclass · Accepted Answer

They are very soft and ionic in nature.

Vedclass · Answer

(B) Interstitial compounds are formed when small atoms like $H, C, N$ are trapped inside the crystal lattice of transition metals.Their key characteristics include:$1$. They have high melting points,higher than those of pure metals.$2$. They are very hard (some approach diamond in hardness).$3$. They retain metallic conductivity.$4$. They are chemically inert and usually non-stoichiometric.Since they are extremely hard and possess metallic properties,the statement that they are 'very soft and ionic' is incorrect. Therefore,option $B$ is the correct answer.

Which of the following is $NOT$ a physical or chemical characteristic of interstitial compounds?

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