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In which state is particle arrangement most random?

Answer and explanation

Correct answer: Gas

The governing concept is particle arrangement in different states of matter. In a crystalline or ordinary solid, particles occupy closely spaced positions in an ordered arrangement and mainly vibrate about those positions. A gas has no fixed arrangement: its particles are far apart, move rapidly in different directions, and continually change their relative positions. This produces the greatest degree of randomness among the listed choices. Therefore option B, gas, is correct. Crystalline solids are especially ordered, and metallic solids also possess an organized lattice, so options C and D cannot be correct. Option A is also wrong because solids generally retain an ordered or comparatively fixed arrangement.

Related tags

States Of MatterGas ParticlesRandom MotionNature Of MatterSome Basic Concepts Of ChemistryChemistryClass 11 Mcq

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