Chlorine, $$\(\mathrm{Cl}_{2}\)$$, reacts with many elements and compounds to form chlorides. Table 2.1 shows information about some chlorides of Period 3 elements. When $$\(\mathrm{Cl}_{2}\)$$ reacts with cold $$\(\mathrm{NaOH}(\mathrm{aq}), \mathrm{Cl}_{2}\)$$ is both oxidised and reduced. The products are NaCl , water and $$\(\mathbf{G}\)$$. (i) State the type of redox reaction in which the same species is both oxidised and reduced. ................................................................................................................................. (ii) Identify G. ................................................................................................................................. (iii) Write an equation for the reaction between $$\(\mathrm{Cl}_{2}\)$$ and hot $$\(\mathrm{NaOH}(\mathrm{aq})\)$$. ................................................................................................................................. (iv) Describe fully what is observed when $$\(\mathrm{AgNO}_{3}(\mathrm{aq})\)$$ is added to the aqueous solution of the chloride of sodium, followed by dilute $$\(\mathrm{NH}_{3}(\mathrm{aq})\)$$. ....................................................................................................................................... . .................................................................................................................................

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