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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

How is chlorine gas typically prepared industrially?

Options

  1. ABy heating manganese dioxide with concentrated hydrochloric acid
  2. BBy the action of hydrochloric acid on potassium permanganate
  3. CBy heating calcium hypochlorite with sulfuric acid
  4. DBy the electrolysis of sodium chloride solution (brine)

Correct answer

D. By the electrolysis of sodium chloride solution (brine)

Step-by-step solution

Chlorine gas is typically prepared industrially by the electrolysis of sodium chloride solution (brine).

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