The chief source of iodine in which it is present as sodium iodate is

Which one among the following non-metals is liquid at $25 ^\circ C$?

Which of the following statements regarding the properties of halogens are correct?
$(a)$ Due to small size and strong inter-electronic repulsion,the electron gain enthalpy of fluorine is less negative than that of chlorine.
$(b)$ Iodine has a different physical state and colour compared to other members of the group.
$(c)$ Fluorine does not show a positive oxidation state.
$(d)$ In $X_{2(g)} + H_2O(l) \rightarrow HX(aq) + HOX(aq)$ (where $X = Cl$ or $Br$).

Which of the following is the strongest oxidizing agent?

Select the incorrect statement from the following.

Which among the following is a powerful bleaching and oxidising agent?