Part a name the complex ion [fe(cn)6]^3- . the oxidation number of iron is +3. part b name the complex ion [cu(nh3)2(h2o)4]^2+ . the oxidation number of copper is +2. part c name the complex crcl2(en)2 . the oxidation number of chromium is +2. part d name the salt [ni(h2o)3(co)]so4 . the oxidation number of nickel is +2. part e name the salt k4[pt(co3)2f2] given that the carbonate ion acts as a monodentate ligand in the complex. the oxidation number of platinum is +2.

Part A: Hexacyanoferrate (III)

Part B: (II)

Part C: Dichlorobis(ethylenediamine) Chromate (II)

Part D: Triaquocarbonylnickel (II) Sulphate

Part E: Potassium (II)

Explanation:

For naming the complex ions there is a specific rule

Nomenclature of the complex ions are as follow

write a correct formulaeIndicate the oxidation number of metal in the complexThe oxidation number should write in the roman numeral in perenthasis after metal nameLigand named before the metal ionLigan can be named in following order

                  * 1st negative,  2nd neutral, 3rd positive

                  * If there are more than 2 same charged ligand the write in                      

                    alphabetical order.

Write prefix i.e di, tri, tetra for multiple monodentate ligandsAnions name end at ido the replace the final name.Neutral ligands named as their usual name, but there are some exceptions such as

                                      NH3 named as ammine

                                      H2O names aqua or aquo

                                     CO named ascarbonyl

                                      NO named as nitrosyl

If the complex is an anion, then name of the central atom will end in -ate, and its Latin name will be used except for mercuryThe name of full complex will end with cation or anion with separate word.  

Keeping the rules in mind the complexes named as following.

Part A:

[Fe(CN)₆]³⁻

Name of the Complex : Hexacyanoferrate (III)  

Part B:

[Cu(NH₃)₂(H₂O)₄]²⁺

Name of the Complex : (II)

Part C

CrCl₂(en)₂

Name of the Complex :  Dichlorobis(ethylenediamine) Chromate (II)

Part C

[Ni(H₂O)₃(CO)]SO₄

Name of the Complex : Tetraaquocarbonylnickel (II) Sulphate

Part E

K₄[Pt(CO₃)₂F₂]

Name of the Complex : Potassium (II)

The answer is true a geyser can reach up to 205 degrees fahrenheit

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.