Which of the following pairs is not correctly matched?

Which among the following halogens combines readily with metals to form metal halides with highest ionic character?

The correct order of acidic strength of oxy-acids of chlorine is

The reaction of concentrated $H_2SO_4$ with $KI$ does not produce $HI$ because........

Given below are two statements:
Statement $I$: $SbCl_5$ is more covalent than $SbCl_3$.
Statement $II$: The higher oxides of halogens tend to be more stable than the lower ones.
In the light of the above statements,choose the most appropriate answer from the options given below:

Identify the incorrect statement among the following.