Which two of the following salts are used for preparing iodized salt?
$(i) \, KIO_3$ $(ii) \, KI$
$(iii) \, I_2$ $(iv) \, HI$
$(i) \, KIO_3$ $(ii) \, KI$
$(iii) \, I_2$ $(iv) \, HI$
- A$(i)$ and $(ii)$
- B$(i)$ and $(iii)$
- C$(ii)$ and $(iv)$
- D$(iii)$ and $(iv)$
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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 $Br$).
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$(c)$ 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 $Br$).
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