

MCQOPTIONS
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1. |
Which of the following is the key step in the manufacture of sulphuric acid? |
A. | Burning of sulphur or sulphide ores in air to generate \[S{{O}_{2}}\]. |
B. | Conversion of \[S{{O}_{2}}\] to \[S{{O}_{3}}\] by the reaction with oxygen in presence of catalyst. |
C. | Absorption of \[S{{O}_{3}}\] in \[{{H}_{2}}S{{O}_{4}}\] to give oleum. |
D. | Both [b] and [c] |
Answer» C. Absorption of \[S{{O}_{3}}\] in \[{{H}_{2}}S{{O}_{4}}\] to give oleum. | |