12th Class Chemistry Surface Chemistry / सतह रसायन

  • question_answer 91)
      Why is  colloid positively charged, when prepared by adding  to hot water?

    Answer:

                        Charge on sol is decided by adsorption of ions present in medium. Adsorption of positively charged ions takes place by the sol of hydrated ferric oxide. Thus,   colloid has positive charge when prepared by adding  to hot water.


You need to login to perform this action.
You will be redirected in 3 sec spinner