Respuesta :

The two effects do impurities have on the melting point of an organic compound are given as ,

  1. They tend to lower the overall melting point of the compound versus the value for he pure material .
  2. They ends to increase the range of the melting point values .

The impurities decreases the melting point of the substance of organic compounds . This is because there are unwanted  particles which weaken the lattice structure of the  solids crystal due to which it become less stable and melts before its original melting point.

Example : Let take a clay and add dirt hen it breaks easily from the points where there is dirt . This is essentially what happens with impurities

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