Home › TS EAPCET (Engineering) › Chemistry › p-Block Elements (Groups 15-18) › In the contact process, SO3 is absorbed in H2SO4…
In the contact process, SO3 is absorbed in H2SO4 to form what?
AOleum (H2S2O7)
BSulfurous acid
CThiosulfate
DPersulfuric acid
Answer & Solution
Correct answer: A. Oleum (H2S2O7)
Absorbing SO3 in 97 to 98 percent H2SO4 gives oleum, H2S2O7, instead of dissolving it in water directly.
Related questions
Why are noble gases chemically unreactive?How does ionisation energy vary down group 18?Which noble gas compound was formed in 2000 at 40 K, the first stable argon compound?Who predicted in 1933 that heavier noble gases could form fluorine and oxygen compounds?Which noble gas element is an s-block element?Which group number was once given to the noble gases because of zero valence?Argon is used as what gas in welding?Which force keeps noble gas atoms together in the liquid state?