Two lone pairs of electrons and two bond pairs of electrons are present in

Which of the following pairs of molecules is isostructural?

Select the correct statement regarding the following change:
$NO_2^+ \to NO_2 \to NO_2^-$

The number of species from the following carrying a single lone pair on the central atom Xenon is $.....$: $XeF_5^{+}, XeO_3, XeO_2F_2, XeF_5^{-}, XeO_3F_2, XeOF_4, XeF_4$

The structure of $XeF_5^-$ is:

Among the following,the correct statement for thionyl tetrafluoride $(SOF_4)$ is: