S Block Elements Question 296
Question: The most efficient agent for the absorption of $ SO_3 $ is
[KCET 1998]
Options:
A) $ 98percent H_2SO_4 $
B) $ 80percent H_2SO_4 $
C) $ 20percent $ oleum
D) $ 90percent H_2SO_4 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ \underset{\text{98 }percent }{\mathop{H_2SO_4}}+SO_3\to \underset{(FumingH_2SO_4)}{\mathop{\underset{Oleum}{\mathop{H_2S_2O_7}}}} $
BETA
