Silver nitrate is supplied in coloured bottles because it is

Select the correct set of species which cannot react with water but react with $NaOH$:
$(i) \, NO_2$ $(ii) \, P_4$ $(iii) \, Al$ $(iv) \, I_2$

Which of the following halogen oxides is used for the estimation of carbon monoxide in automobile exhaust gases?

Identify the false statement from the following about fluorine.

Identify the incorrect statement about the interhalogen compounds.

When cold and dilute $NaOH$ reacts with $Cl_2$,which of the following is formed?