The melting points of four solids A,B,C AND D are 78℃,213℃,100℃ & 154℃. Arrange them in increasing order of their inter particle forces of attraction.
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we know, the greater the force of attraction is, the more amount of heat energy is required to separate its particles
so the solid requiring the highest heat energy ha the greatest inter particle force of attraction
the order is B>D>C>A
so the solid requiring the highest heat energy ha the greatest inter particle force of attraction
the order is B>D>C>A
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213 and then decrease gone
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