Yellow color of chlorine water fades because of:

Which pair of halogens does not undergo a disproportionation reaction with water?

Which of the following statements is not correct?

Assertion $(A)$: The bond dissociation energy increases from $F_2$ to $Cl_2$ and then decreases to $I_2$.
Reason $(R)$: The low bond energy of fluorine is due to the repulsion between the lone pairs of electrons in two fluorine atoms.
The correct option among the following is

Which of the following statements is correct?

With reference to aqua regia,choose the correct option$(s)$.
$(1)$ Reaction of gold with aqua regia produces $NO_2$ in the absence of air.
$(2)$ Aqua regia is prepared by mixing conc. $HCl$ and conc. $HNO_3$ in $3:1$ $(v/v)$ ratio.
$(3)$ Reaction of gold with aqua regia produces an anion having $Au$ in $+3$ oxidation state.
$(4)$ The yellow colour of aqua regia is due to the presence of $NOCl$ and $Cl_2$.