Ozone with $KI$ solution produces:

The laboratory test 'tailing of mercury' is used to identify:

Which of the following statements is correct regarding the oxygen family (Group $16$)?
$(i)$ The stability of $+6$ oxidation state decreases down the group and the stability of $+4$ oxidation state increases down the group.
$(ii)$ The stability of $+6$ oxidation state increases down the group and the stability of $+4$ oxidation state decreases down the group.
$(iii)$ Bonding in $+4$ and $+6$ oxidation states is primarily covalent.

The incorrect statement$(s)$ about $O_3$ is (are):

Which of the following statements is not correct?

In which of the following arrangements is the given sequence not strictly according to the property indicated against it?