Sea is the greatest source of some halogens. Comment.
(N/A) Sea water contains chlorides,bromides,and iodides of $Na$,$K$,$Mg$,and $Ca$.
It primarily contains $NaCl$.
The deposits of dried-up sea beds contain sodium chloride and carnallite,$KCl \cdot MgCl_2 \cdot 6H_2O$.
Marine life also contains iodine in their systems.
For example,sea weeds contain up to $0.5\%$ iodine as sodium iodide.
Thus,the sea is the greatest source of halogens.
It primarily contains $NaCl$.
The deposits of dried-up sea beds contain sodium chloride and carnallite,$KCl \cdot MgCl_2 \cdot 6H_2O$.
Marine life also contains iodine in their systems.
For example,sea weeds contain up to $0.5\%$ iodine as sodium iodide.
Thus,the sea is the greatest source of halogens.
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Which of the following properties of halogens increase with increasing atomic number?
$(I)$ Ionization energy $(II)$ Ionic radius
$(III)$ Bond energy of the $X_2$ molecule $(IV)$ Enthalpy of vaporisation
$(I)$ Ionization energy $(II)$ Ionic radius
$(III)$ Bond energy of the $X_2$ molecule $(IV)$ Enthalpy of vaporisation
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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$(b)$ 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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