Question 60

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

Name: Which of the following is NOT a physical or chemical characteristics of interstitial compounds?
Uploaded: 2026-06-21T15:08:28.355478+05:30
Duration: 1 min
Description: Which of the following is NOT a physical or chemical characteristics of interstitial compounds?

Solution

Few Characteristics of Interstitial Compound:

High Melting Points: They have melting points higher than those of the pure parent metals.

Metallic Conductivity: They retain electrical conductivity similar to the pure metal.

Chemical Inertness: They are chemically very stable and inert.

Non-stoichiometric: They do not follow standard valence rules (e.g., $$TiC$$, $$Mn_{4}N$$, $$Fe_{3}H$$).

The statement "They are very soft and ionic in nature" is incorrect because interstitial compounds are actually:

Extremely hard: Some, like borides, approach the hardness of diamond.

Non-ionic: They are typically neither ionic nor covalent; they maintain metallic bonding and properties.

The correct answer is B

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