Oleum isA. Castor oilB. Oil of vitriolC. Fuming of `H_2SO_4`D. None of – InterviewSolution

InterviewSolution

1.	Oleum isA. Castor oilB. Oil of vitriolC. Fuming of `H_2SO_4`D. None of them
Answer» Correct Answer - C Oleum is obtained by dissolving `SO_3` in `H_2SO_4` `SO_3 +H_2SO_4 (conc.) to underset("Oleum")(H_2S_2O_7)` Oleum is also called fuming sulphuric acid because it fumes in moist air due to `SO_3`.

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