Equilibrium

Equilibrium

Question

Four species are listed below
i. HCO3
ii. H3O+
iii. HSO4
iv. HSO3F
Which one of the following is the correct sequence of their acid strength?

  •  iv < ii < iii < i

  • ii < iii < i < iv

  • i < iii < ii < iv

  • iii < i < iv < ii 

Answer

C.

i < iii < ii < iv

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