1)

Which among the following is the strongest acid?


A) HF

B) HCl

C) HBr

D) HI

Answer:

Option D

Explanation:

Among the hydrogen halides, the strongest acids is HI

As the size of halogen increase, bond length

increase hence bond energy decreases

So,  the HI  releases $H^{\oplus}$ ions easily and slow high acidic nature.