Q78: What is the formula for the pentaamminehydroxocopper(II)ion?<br>A)[Cu(NH<sub>3</sub>)(OH)<sub>5</sub>]<sup>3</sup><sup>-</sup><br>B)[Cu(NH<sub>3</sub>)<sub>5</sub>(OH)<sub>5</sub>]<sup>2+</sup><br>C)[Cu(NH<sub>3</sub>)<sub>5</sub>(OH)]<sup>2+</sup><br>D)[Cu(NH<sub>3</sub>)<sub>5</sub>(OH)<sub>5</sub>]<sup>3</sup><sup>-</sup><br>E)[Cu(NH<sub>3</sub>)<sub>5</sub>(OH)]<sup>+</sup>
Q79: The complex ion Ni(NH<sub>3</sub>)<sub>6</sub><sup>2+</sup> (two unpaired electrons)is
Q80: The reducing abilities of the first-row transition
Q81: The phenomenon called _ contraction is responsible
Q82: Which metal is most widely used in
Q84: When 6.3 moles of [Co(NH<sub>3</sub>)<sub>5</sub>Cl]Cl<sub>2</sub> is dissolved
Q85: CoF<sub>6</sub><sup>3</sup><sup>-</sup> (weak field)<br>A)0<br>B)1<br>C)2<br>D)4<br>E)5
Q86: Which of the following complexes can exhibit
Q87: Which of the following transition metals are
Q88: Calculate the total number of unpaired electrons