In: Chemistry
1.
Give the formula of:
diamminechloroethylenediammineiron(III) chloride
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 [Fe(NH3)2Cl(en)]Cl3  | 
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 [Fe(NH3)3Cl(en)]Cl  | 
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 [Fe(NH3)2Cl(en)]Cl  | 
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 [Fe(NH3)2Cl2(en)]Cl  | 
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 [Fe(NH3)2Cl(en)]Cl2  | 
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 [Fe(NH3)2Cl(en)2]Cl  | 
2.
Which one of the following metal complexes absorbs light at the lowest frequency?
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 [Fe(H2O)6]3+  | 
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 [FeF6]−  | 
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 [Fe(CN)6]−  | 
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 [Fe(NH3)6]3+  |