When $I_2$ is dissolved in $CCl_4$,the color of the solution formed is .....

As the atomic number of halogens increases,the halogens:

The bond dissociation energies of $F_2, Cl_2, Br_2$ and $I_2$ are $155, 244, 193$ and $151 \ kJ \ mol^{-1}$ respectively. Which of these has the weakest bond?

When $MnO_2$ and $H_2SO_4$ are added to $NaCl$,a greenish-yellow gas is evolved. Which gas is it?

Find out which of the following statements are true or false:
$(a)$ Number of $S-S$ bonds in $H_2S_nO_6$ is $(n-1)$.
$(b)$ When $F_2$ reacts with $H_2O$,it forms $HF$,$O_2$,and $O_3$.
$(c)$ $XeF_6$ on hydrolysis shows a disproportionation reaction.
$(d)$ $Al$ metal on reacting with dilute $NaOH$ gives a white precipitate of $Al(OH)_3$ as a final product.

Which of the following is formed when potassium iodide is heated with concentrated $H_2SO_4$?