Fluorine reacts with water to give

Identify the incorrect statement among the following.

Which of the following is the strongest reducing agent?

Which of the following interhalogen compounds has the lowest thermal stability?

$PbF_4$ and $PbCl_4$ exist,while $PbBr_4$ and $PbI_4$ do not. The reason for this is .......

Sulphur dioxide on reaction with chlorine in the presence of charcoal gives compound $(A)$. This on reaction with white phosphorus gives $SO_2$ and compound $(B)$. The correct statement about '$B$' is