What is poly halogen compound?

The CORRECT match of compound in Column $\mathrm{A}$ with density in Column $\mathrm{B}$ is

Classify the following compounds into haloalkanes and haloarenes:

${\mathrm{CH}}_3\mathrm{Cl}, {\mathrm{C}}_6{\mathrm{H}}_5\mathrm{Cl}, {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}, {\mathrm{C}}_6{\mathrm{H}}_5\mathrm{Br}$ and ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{I}$  

Represent the union of two sets by Venn diagram for each of the following.

$X=\{x | x$ is a prime number between $80$ and $100\}$

$Y=\{y | y$ is an odd number between $90$ and $100\}$

The product of the reaction give below is :

Haloalkanes contain halogen atom(s) attached to the carbon atom of an alkyl group. The hybridisation of the carbon atom is _____.
(A) $\mathrm{sp}$
(B) ${\mathrm{sp}}^2$
(C) ${\mathrm{sp}}^3$

Enter your correct answer as A, B or C.

The rates ${\mathrm{r}}_1,{\mathrm{r}}_2$ and ${\mathrm{r}}_3$ are in the order :