P-Block Elements Ques 496
Question: Conc. $ H_2SO_4 $ is diluted
[Pb. CET 2001]
Options:
A) By adding water in $ H_2SO_4 $
B) By adding $ H_2SO_4 $ in water
C) By adding glacial acetic acid in $ H_2SO_4 $
D) None of the above
Show Answer
Answer:
Correct Answer: B
Solution:
Concentrated $ H_2SO_4 $ is diluted by adding the conc. $ H_2SO_4 $ in the water drop by drop with constant stirring because it is an exothermic reaction and by doing so heat is generated slowly and dissipated in the atmosphere.
