Chemistry · Group 13 to Group 18 Elements

The reagent used to remove the traces of oxygen from a mixture of noble gases is

The reagent used to remove the traces of oxygen from a mixture of noble gases is:

  • A. ammonical cuprous chloride solution
  • B. potash solution
  • C. alkaline pyrogallol solution
  • D. caustic soda solution

Step-by-step solution

Alkaline pyrogallol solution is a strong reducing agent that rapidly absorbs oxygen, making it the standard reagent for removing oxygen traces from noble gases.
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