Why is [Fe(OH2))6]%+ prepared in an acidic solution? 13+ A. It is a Bronsted acid in aqueous solution B. It is stabilized against reduction in acid O C. It is not soluble in water at pH = 7.0 O D. All of the choices

Q: A 20.00 mL solution of 0.1200 M TI³+ is titrated with 0.2000 M Fe²+. TI³+ + 2e- TI* Eº = +1.280 V…

A: Given: Volume of Tl3+ = 20.00 mL Concentration of Tl3+ = 0.1200 M Concentration of Fe2+ = 0.200 M To…

Q: <p>When solid Cd(OH)2 is added to a solution of 0.10 M NaI some of it dissolves. Calculate the…

A: The Ksp of Cd(OH)2 is 7.2 x 10-15 and the reaction and equilibrium constant is given as,

Q: When 1.95 g of Co(NO3)2 is dissolved in 0.250 L of 0.220 M KOH, what are [Co2+], [Co(OH)42−], and…

A: When 1.95 g of Co(NO3)2 is dissolved in 0.250 L of 0.220 M KOH,  [Co2+], [Co(OH)42−], and [OH−] are…

Q: what is the color of hot CoCl2? *

A: Hydrated cobalt(II) chloride decomposes on heating. The equation for the reaction is…

Q: Explain why a solution of Fe2 (SO4 2- ) 3 in water is acidic.

A:

Q: Calculate the pH of a 0.125 M solution of KN3 at 25°C. Ka for HN3 is 2.5 x 10*

A: KN3 is a salt of weak acid HN3 and strong base KOH  This salt undergo a anionic salt hydrolysis…

Q: A sample of iron ore weighing 0.6428 g is dissolved in acid The iron is reduced to Fe*? and titrated…

A: Note - The concentration value for K2Cr2O7 is incorrect. It has to be 0.01052 N instead of 0.1052 N…

Q: Describe giving reason which one of the following pairs has the property indicated : (a) Cr2+ or…

A: a) Cr2+ is a better reducing agent. As it attains a d3 configuration on losing an electron while…

Q: Q 3 (b): How does the effective nuclear charge, Zeff, vary from left to right across the first…

A: Here, Zeff denotes the effective nuclear charge of the elements.

Q: Why is [Fe(OH2)6]³+ prepared in an acidic solution O A. It is a Bronsted acid in aqueous solution B.…

A: Answer - The correct option is (D)  All of these choice    The acidic character of an ionic compound…

Q: What is happening to the iridium in this reaction ? Ir(CO3)2 + Fe → Ir + Fe(CO3)3 A. oxidation B.…

A: Oxidation is loss of electrons. Reduction is gain of electron.

Q: 1. What color of precipitate is produced when Na₂O₂ oxidizes Co(OH)₂? 2. What is the product of the…

A: As per our company guidelines we are supposed to answer only three questions.kindly repost remaining…

Q: In the complex ion [Cr(C,04)2(H2O)2, the oxidation number of Cr is Select one: O A +1. O B. +2. O…

A: E. +3 Given complex ion:  [Cr(C2O4)2(H2O)2]- Since, 2 ions of C2O42- contributes total -4 charge and…

Q: Calculate the concentration of platinum ions in 0,5 М solution K2[PtCl4], containing excess KCl (0.1…

A: Given: Concentration of K2[PtCl4] is 0.5M Concentration of KCl is 0.1mol/l

Q: How will you recognize that a single replacement reaction has occured when you comine: (a) an…

A: Single Displacement reaction:    It is also known as exchange reaction. The chemical reaction in…

Q: What is the Csp for copper in cal/g*C

A:

Q: Determine the chemical equation for the reaction between Fe3+ and Cu2+ with NH3.

A: Ammonia is the weak base.  It is used in the aqueous form.  The reaction of ammonia with the given…

Q: Predict which member of each pair produces the more acidic aqueous…

A: Acidic aqueous solution:

Q: Which of the following are the products of the reaction of a metallic oxide with an acid? a. a…

A: The oxide of an element (M) is formed by the combination of oxygen with the element. Based on the…

Q: What is the net ionic equation for the reaction between CoCl2 and an alkali hydroxide?

A: The net ionic equation is a chemical equation in which only species are mentioned which participate…

Q: What is the pH of a 0.33 M solution of Ca(CN)2?

A: The pH of salts generated during neutralization reactions is totally dependent on the acid-base…

Q: Why is [Fe(OH2)6]3+ prepared in an acidic solution? A. It is a Bronsted acid in aqueous solution B.…

A:

Q: Complete and balance the following half-reaction in basic solution Cr(OH):(s) → CrO,? (aq) 12+ 03

A: Balancing of chemical reaction in any medium is must so that law of conservation of mass is…

Q: ol, what is AG for the following reaction?

A: The energy associated with a chemical reaction that can be used to do work. The free energy of a…

Q: You have 10mL of an 8% aqueous solution of H2Cl6Pt. Calculate the platinum in this solution as well…

A: Given volume of the solution = 10 ml = 0.010 L Volume percentage of solute H2Cl6Pt = 8% It means…

Q: Cu + Zn^2+ ---> Zn + Cu^2+  Rationalize the possibility of this reaction (Will this reaction take…

A:

Q: Calculate the concentration of PO43− when Ag3PO4 starts to precipitate from a solution that is…

A: The solubility product of salt is a constant at a given temperature irrespective of the source from…

Q: "): Calculate the pH of a buffer solution that is 0.20 M in sodium hypobromite (NaBro) and 0.10 M in…

A: Given;

Q: Which of the following complexes has the highest magnitude and more positive standard reduction…

A: A question based on coordination complex that is to be accomplished.

Q: Which is the weakest oxidizing agent? Will Pb reduce Fe³* to Fe2*? Will I- reduce Pb2* to Pb?

A: (d) The weakest oxidizing agent is finding. (e) Pb reduces Fe3+ to Fe2+ or not, is determined. (f)…

Q: It was noted that H2O2 and NaOH was added to Cr3+ ion to test. What is responsible for its yellow…

A:

Q: 5. The equilibrium constant, K¸, for the reaction below is 6.0 x 10 ³. Fe(H,0),*(aq) +…

A: The concentration of the hydrogen ions released is equal to (KaC)1/2 where Ka is the dissociation…

Q: Calculate the pH of a solution that is 0.100 M in Fe(NO3)3.

A: K=[H3O+][Fe(H2O)5OH]2+[Fe(H2O)6]3+

Q: Which of the following oxides does not produce an acidic solution when dissolved in water? A) SO3 B)…

A:

Q: When Fe3+ is reacted with 0.10M KSCN, what is the reaction that occurs? What's this type of reaction…

A: The coordination complexes can be defined as the complex compounds which have coordinate linkage…

Q: Write the chemical equation for the disproportionation of Cr(OH)3Cr(OH)3 in basic solution.…

A:

Q: Aqueous solutions of aluminum ions Al^3+ are acidic while those of carbonate CO3^-2 are basic why?

A:

Q: 2li+ Fe(c2h3o2)2-- 2li c2h3o2 +Fe Which is the reducing agent and why? How to find reducing agent…

A: Oxidation : A chemical change in which there is an increase in oxidation numberAn increase in…

Q: In the formation of iron (II) oxide, which species is being reduced? Fe(s) + O2(g) → FeO(s)   a.…

A: The chemical species that gains electrons are called reduced species.

Q: 4. Why do silver salts dissolve readily in 3 M HNO3? Why is the fresh chlorine water critical to…

A: Soluble silver salts dissolve in H2O if it is either neutral pH or acidic. But, if the water is…

Q: 3. Hypochlorous acid (HCIO) is a weak acid. A 1.00M aqueous solution of this acid gives has a pH of…

A: Recall the data, Molarity of HClO=1.00 M pH=3.77  pKa of HClO ?

Q: 4 iron compounds have the following properties A: is hard to be oxidized in normal condition B:…

A: Iron is a chemical element and it is a prt of hemoglobin. It belongs to the first transition series…

Q: What is the most likely missing coefficient in the formation equation between cobalt (III) and…

A: Given :-  Co3+ +____ NH3 <----> product   To be determined:- coefficient of NH3 in above…

Q: What should be the minimum pH in order to extract Al(oH)3 from 0.01M Alcl3 solution? pKç Al(oH)3=33

A: Given data, Concentration of AlCl3 = 0.01M pKc of Al(OH)3 = 33

Q: Write the chemical equation It got cut off (K4[Fe(CN)6](aq))

A: