A complex ion that undergoes a very slow exchange reaction is called an inert complex? T/F
A complex ion that undergoes a very slow exchange reaction is called an inert complex? T/F
In acidic aqueous solution, the purple complex ion Co(NH3)5Br2+ undergoes a slow reaction in which the bromide ion is replaced by a water molecule, yielding the pinkish-orange complex ion : Co(NH3)5(H2O)3+ Co(NH3)5Br2+Purple(aq)+H2O(l)→ Co(NH3)5(H2O)3+Pinkish−orange(aq)+Br−(aq) The reaction is first order in Co(NH3)5Br2+, the rate constant at 25 ∘C is 6.3×10−6 s−1, and the initial concentration of Co(NH3)5Br2+ is 0.100 M. What is its molarity after a reaction time of 24.0 h ? How many hours are required for 77 %% of the...
A complex is said to be... LABILE or INERT if it readily undergoes ligand substitution. An example of a complex that readily undergoes ligand substitution is CoCl42-OR Co(NH3)63+
2) The reaction between 4,4'-methylenedianiline and 2-pyridinecarboxaldehyde in methanol is very slow (days). However, in the presence of iron(lI) it proceeds very rapidly your reaction is complete within approximately 10 minutes. Draw a plausible mechanism for this reaction showing a role that the iron(ll) ion may play in speeding up the reaction (2 marks). Hint: you do not need to draw out the entire methylenedianiline molecule - just draw it as R-NH2. 2) The reaction between 4,4'-methylenedianiline and 2-pyridinecarboxaldehyde in...
Copper(I) ion undergoes a self-redox reaction to form solid copper and copper(II) ion. a) Write the balanced equation for the reaction in water. b) In water, the equilibrium constant for this reaction is ≈106. But if the copper(I) is dissolved in DMSO, the equilibrium constant for the reaction is ≈2. Suggest an explanation.
When species combine to produce a coordination complex, the equilibrium constant for the reaction is called is the formation constant, Kf. For example, the iron(II) ion, Fe2+, can combine with the cyanide ion, CN−, to form the complex [Fe(CN)6]4− according to the equation Fe2+(aq)+6CN−(aq)⇌[Fe(CN)6]4−(aq) where Kf=4.21×1045. This reaction is what makes cyanide so toxic to human beings and other animals. The cyanide ion binds to the iron that red blood cells use to carry oxygen around the body, thus interfering...
Write and Balance the molecular equation for the complex ion formation reaction that takes place between the Fe(NO3)3(aq) solution and the KSCN(aq) solution. #Fe(NO3)2(aq) + #KSCN(aq) → #?(aq) + #?(aq) Write and Balance the complete ionic equation for the reaction: (use the sample below as a template and replace the # symbol with the coefficient from the equation, the upper case letters and large ? with the ion symbols, and the lower case letters and small ? with the ion charges...
Ferric ion usually reacts fast with thiocyanate ion and forms a red complex product. This reaction can be performed as a photometric titration at a wavelength of 542 nm or by using a green filter instead. a)Write the chemical equation for this reaction. b)Explain why either the 542 nm wavelength or a green filter must be used for this titration? c)Draw and explain the photometric titration curve for this photometric titration process.
the use of ion-exchange resin in the reaction (synthesis of ethyl acetate by fischer esterification)
6. Copper (I) ion undergoes the following disproportionation reaction in water, for which the equilibrium constant is about 106: 2 Cu+ (aq) Cu (s) + Cu2+ (aq) If the copper(I) ion is dissolved in dimethylsulfoxide (DMSO, (CH3)2SO) solvent, however, the equilibrium constant is only about 2. Suggest an explanation based on HSAB Theory (2 pts)
Which of the following would be considered a complex ion? PO33- AlF6 Fe2+ F NH3