From the above diagram; The caustic soda in the conical flask serves to

From the above diagram; The caustic soda in the conical flask serves to

  • A.
    dry ethene gas
  • B.
    remove carbon (iv) oxides from ethene
  • C.
    remove carbon (ii) oxide from ethene
  • D.
    remove sulphur (iv) oxide from ethene
Correct Answer: Option B
Explanation

Caustic soda, (NaOH) , serves to remove gaseous impurities from the gas evolved during the laboratory preparation of ethene. Basically, the major impurities are Sulphur (IV) oxide and Carbon (IV) oxide. 

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