Which of the following order is not correct?

Options

A. `HI gt HF gt HBr gt HCl " " mp`
B. `HF gt HI gt HBr gt HCl " " bp`
C. `HF lt HCl lt HBr lt HI " " pK_(a)`
D. `HF lt HCl lt HBr lt HI " "` reducing strength

Answer

C

Explanation

order of `BP :HF gt HI gt HBr gt HCl`
order of `MP:HI gt HF gt HBr gt HCl`
acidic strength `prop (1)/(P_(K_(a)))`
so, order of `P_(Ka) : HF gt HCl gt HBr gt HI`