predict whether each halide would show a positive result when reacted with 18% NaI
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Adi S.
I Predict the products of these halogen displacement reactions. If no reaction occurs, write "NR." (a) $\mathrm{I}_{2}(\mathrm{~s})+\mathrm{NaBr}(\mathrm{aq}) \longrightarrow$ (b) $\mathrm{Br}_{2}(\ell)+\mathrm{NaI}(\mathrm{aq}) \longrightarrow$ (c) $\mathrm{F}_{2}(\mathrm{~g})+\mathrm{NaCl}(\mathrm{aq}) \longrightarrow$ (d) $\mathrm{Cl}_{2}(\mathrm{~g})+\operatorname{NaBr}(\mathrm{aq}) \longrightarrow$ (e) $\mathrm{Br}_{2}(\ell)+\mathrm{NaCl}(\mathrm{aq}) \longrightarrow$ (f) $\mathrm{Cl}(\mathrm{g})+\mathrm{NaF}(\mathrm{ag})$
The more reactive halogen elements are able to replace the less reactive halogens from their compounds. $$\begin{array}{l} \mathrm{Cl}_{2}(g)+\mathrm{NaI}(a q) \rightarrow \mathrm{NaCl}(a q)+\mathrm{I}_{2}(s) \\ \mathrm{Br}_{2}(l)+\mathrm{NaI}(a q) \rightarrow \mathrm{NaBr}(a q)+\mathrm{I}_{2}(s) \end{array}$$ Suppose separate solutions each containing $25.0 \mathrm{g}$ of NaI are available. If $5.00 \mathrm{g}$ of $\mathrm{Cl}_{2}$ gas is bubbled into one NaI solution, and $5.00 \mathrm{g}$ of liquid bromine is added to the other, calculate the number of grams of elemental iodine produced in each case.
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