Which among the following factors is the most important in making fluorine the strongest oxidizing halogen?

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R).$
Assertion $(A):$ $ICl$ is more reactive than $I_{2}.$
Reason $(R):$ $I-Cl$ bond is weaker than $I-I$ bond.
In the light of the above statements,choose the most appropriate answer from the options given below:

The gas evolved on heating $CaF_2$ and $SiO_2$ with concentrated $H_2SO_4$,on hydrolysis gives a white gelatinous precipitate. The precipitate is

Name two poisonous gases which can be prepared from chlorine gas.

Describe the process for the extraction of chlorine.

Which of the following oxides of iodine is a true covalent oxide?