Which of the following statements regarding the manufacture of H_2SO_4 – InterviewSolution

1.	Which of the following statements regarding the manufacture of H_2SO_4by contact process is not true?
Answer» sulphur is BURNT in AIR to form `SO_2` `SO_2` is catalytically oxidised to `SO_3` `SO_3`is dissolved in water to get 100% sulphuric acid ` H_2SO_4`obtained by contact process is of HIGHER purity than that obtained by lead CHAMBER process. Solution :In contact process, `SO_3` is dissolved in `H_2SO_4`to get `H_2S_2O_7`(oleum).

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