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What product is formed when excess aqueous $Na OH$ is added to a solution of each of the following ions? $\begin{array}{ll}{\text { (a) } \mathrm{Cr}^{2+}} &...

Question

What product is formed when excess aqueous $Na OH$ is added to a solution of each of the following ions? $\begin{array}{ll}{\text { (a) } \mathrm{Cr}^{2+}} & {\text { (b) } \mathrm{Cr}^{3+}} & {\text { (c) } \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}} \\ {\text { (d) } \mathrm{Fe}^{2+}} & {\text { (e) } \mathrm{Fe}^{3+}}\end{array}$

What product is formed when excess aqueous $Na OH$ is added to a solution of each of the following ions? $\begin{array}{ll}{\text { (a) } \mathrm{Cr}^{2+}} & {\text { (b) } \mathrm{Cr}^{3+}} & {\text { (c) } \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}} \\ {\text { (d) } \mathrm{Fe}^{2+}} & {\text { (e) } \mathrm{Fe}^{3+}}\end{array}$



Answers

What product is formed when excess aqueous $Na OH$ is added to a solution of each of the following ions?

$\begin{array}{ll}{\text { (a) } \mathrm{Cr}^{2+}} & {\text { (b) } \mathrm{Cr}^{3+}} & {\text { (c) } \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}} \\ {\text { (d) } \mathrm{Fe}^{2+}} & {\text { (e) } \mathrm{Fe}^{3+}}\end{array}$


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