Question

The correct order of acidic strength is
(a) HF < HCl < HBr < HI
(b) HBr < HCl < HI < HF
(c) HCl < HBr < HF < HI
(d) HI < HBr < HCl < HF

Answer 1

a)HF < HCl < HBr <HI

Down the group the electronegativity decreases and the size increases.

Thus, it becomes easy to lose H+ions