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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Compare the advantages and disadvantages of the different methods used to disinfect drinking water.

Interpretation Introduction

Interpretation: The advantages and disadvantages of different methods used to disinfect drinking water are to be given.

Concept introduction:

Water purification can be done using various methods which possess both advantages and disadvantages.

Disinfection of water can be done using powerful oxidizing agents like chlorine, ozone or sodium hypochlorite.

Disinfection of water leads to the elimination of pathogens which are responsible for spreading diseases like typhoid, cholera.

Explanation

Disinfection of water is a necessary process for drinking water in-order to avoid diseases. The substances used as disinfectants for water purification are mainly: Chlorine, ozone and sodium hypochlorite.

Advantages of chlorine and hypochlorite ions over ozone:

  • More persistent- Water can be used for drinking even if it stands for a long time in pipe.
  • Less expensive
  • Wide micro biocidal activity

Disadvantages of chlorine and hypoc...

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