Which grouping of the three phases of bromine is listed in order from left to right for increasing distance between bromine molecules?
(1) gas, liquid, solid (3) solid, gas, liquid(2) liquid, solid, gas (4) solid, liquid, gas

Answer : The correct option is 4.

Explanation :

As we know that the molecules are tightly packed in solid, loosely packed in liquid and very loosely packed in gas state. when the inter-molecular spacing between the molecules is very less. So, it is considered as solid.

When the inter-molecular spacing between the molecules is moderate. So, it is considered as liquid.

When the inter-molecular spacing between the molecules is very large. So, it is considered as gas.

Therefore, the increasing order of three phase of bromine on the basis of molecule distance is,

Br(solid) < Br(liquid) < Br(gas)

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