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Chapter 19: Q.7E (page 1092)
Which of the following elements is most likely to form an oxide with the formula\(M{O_3}\): Zr, Nb, or Mo?
\(Mo\), is most likely to form an oxide with the formula \(M{O_3}\).
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Indicate the coordination number for the central metal atom in each of the following coordination compounds:
\(\begin{aligned}{}(a)\left( {Pt{{\left( {{H_2}O} \right)}_2}B{r_2}} \right)\\(b)\left( {Pt\left( {N{H_3}} \right)(py)(Cl)(Br)} \right)\left( {py = } \right.pyridine,\left. {{C_5}{H_5}\;N} \right)\\(c)\left( {Zn{{\left( {N{H_3}} \right)}_2}C{l_2}} \right)\\(d)\left( {Zn\left( {N{H_3}} \right)(py)(Cl)(Br)} \right)\\(e)\left( {Ni{{\left( {{H_2}O} \right)}_4}C{l_2}} \right)\\(f){\left( {Fe{{(en)}_2}{{(CN)}_2}} \right)^ + }\left( {en = } \right.ethylenediamine,\left. {{C_2}{H_8}\;{N_2}} \right)\end{aligned}\)
Draw the crystal field diagrams for \({\left( {Fe{{\left( {N{O_2}} \right)}_6}} \right)^{4 - }}\)and \({\left( {Fe{F_6}} \right)^{3 - }}.\)State whether each complex is high spin or low spin, paramagnetic or diamagnetic, and compare \({\Delta _{oct }}\)to \(P\)for each complex.
Predict the products of each of the following reactions. (Note: In addition to using the information in this chapter, also use the knowledge you have accumulated at this stage of your study, including information on the prediction of reaction products.)
\(\begin{aligned}(a)Fe(s) + {H_2}S{O_4}(aq) \to \\(b)FeC{l_3}(aq) + NaOH(aq) \to \\(c)Mn{(OH)_2}(s) + HBr(aq) \to \\(d)Cr(s) + {O_2}(g) \to \\(e)M{n_2}{O_3}(s) + HCl(aq) \to \\(f)Ti(s) + xs{F_2}(g) \to \end{aligned}\)
Predict the products of each of the following reactions and then balance the chemical equations.
(a) Fe is heated in an atmosphere of steam.
(b) NaOH is added to a solution of Fe(NO3)3.
(c) FeSO4 is added to an acidic solution of KMnO4.
(d) Fe is added to a dilute solution of H2SO4.
(e) A solution of Fe(NO3)2 and HNO3 is allowed to stand in air.
(f) FeCO3 is added to a solution of HClO4.
(g) Fe is heated in air.
Would you expect the complex \(\left( {Co{{(en)}_3}} \right)C{l_3}\) to have any unpaired electrons? Any isomers?
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