When $I_2$ is dissolved in $CCl_4$,the colour that results is

Oxyacids of chlorine show similarity in

Given below are two statements:
Statement $I$: $SbCl_5$ is more covalent than $SbCl_3$.
Statement $II$: The higher oxides of halogens tend to be more stable than the lower ones.
In the light of the above statements,choose the most appropriate answer from the options given below:

On what basis was the name of chlorine derived?

Aluminium trifluoride is insoluble in anhydrous $HF$ but dissolves on addition of $NaF$. Aluminium trifluoride precipitates out of the resulting solution when gaseous $BF_3$ is bubbled through. Give reasons.

With cold and dilute sodium hydroxide,fluorine reacts to give: