Which of the following halide ions can be oxidized by nitric acid?

The mixture of concentrated $HCl$ and $HNO_3$ made in $3:1$ ratio contains

Identify the correct decreasing order of bond dissociation enthalpy from the following.

The formulas of some fluorides are given below. Which of them will combine further with fluorine?

$1$. $KClO_3 \xrightarrow{\Delta }$
$2$. $XeF_2 \xrightarrow{H_2O}$
$3$. $XeF_4 \xrightarrow{H_2O}$
$4$. $PbO_2 \xrightarrow{\Delta }$
$5$. $XeF_6 \xrightarrow{H_2O}$
In how many of the above processes,$O_2$ will be one of the products?

At room temperature, the reaction between water and fluorine produces