Q: 2. Aluminium sulphate (alum) is added to water with a pH of 7.2. Based on the reaction below,…
A: Formula:- PH=12 pKw - 12 pKb- 1210g C pKa of alum…
Q: Write the dissociation of [Co(NH3)4CO3]NO3 and [Co(NH3)5Cl]Cl2 compounds in an aqueous medium.
A: The dissociation of [Co(NH3)4CO3]NO3 occurs as follos: [Co(NH3)4CO3]NO3 →Water [Co(NH3)4CO3]- (aq)…
Q: 5. Choose the apparatus that can be used to casily monitor the rate of reaction between MnO, ion and…
A: 2MnO4-(aq) + 16H+(aq) + 5C2O42-(aq) → 2Mn2+(aq) + 8H2O(l) + 10CO2(g) This is a redox reaction. In…
Q: Permanganatometry is used to quantify: A) Iron (II) sulfate B) Zinc sulfate C) Silver nitrate D)…
A: Permanganatometry is a redox titration which is used in quantitative analysis. It is used to measure…
Q: How is lead ion separated and identified in group 1 cation analysis?
A: Qualitative analysis of Lead ion (Pb2+) ; In group I cation analysis, the presence of Pb2+ is…
Q: Metal ions in aqueous solutions are solvated, or hydrated, by water molecules. Typically this…
A:
Q: If the formation constant for the Ni(CN)42- complex is 1.0x1022. Calculate the standard potential…
A: Given : The formation constant of Ni(CN)42- = 1.0 X 1022 And the reaction taking place is given as,…
Q: Draw the structure of (a) Cis-dichloridotetracyanochromate (II) ion (b)…
A: To find: The structure of the given compounds
Q: 4- Write the redox equation that you used in the iron (III) with Hydroquinone as a reducing agent to…
A: A redox reaction shows both reduction as well as oxidation of the reactant. Oxidation can be seen if…
Q: 25.00 mL of a saturated Ca(OH)2 sample requires 22.50 mL of 0.0250 M HCl to neutralize it. Calculate…
A: Given that, The Ksp expression for the process is given below Ca(OH)2 (s) ⇌ Ca2+ (aq.) +…
Q: Propose purification methods for cobalt(II) sulphate (CoSO4.7H2O)
A: Purification The chemicals used for various purposes should be completely free from any type of…
Q: (Q61) Platinum cations in solution readily form complexes with free chloride anions in solution…
A: Given : Kf = 1.0 x 1016 Initial [Pt+2] = 0.0127 M [NaCl] = [Cl-] = 0.419 M
Q: What is the formal oxidation state of ruthenium in RuCl3∙3H2O and in RuClH(CO)(PPh3)3? List all the…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: (a) What happens when a freshly precipitated Fe(OH)3 is shaken with water containing a small…
A: (a) Fe (OH) 3 is a precipitate.
Q: The burning of iron pyrites (Fes.) in air may be e> FeS2 + 02 -> Fe203 + SO2
A: The given unbalanced reaction is: FeS2+O2→Fe2O3+SO2 The completely balanced form of the above…
Q: Cr3
A:
Q: For which of the following reactions would you predict AHxn° <0 and ASrxn° N2(g) + 3 H2(g) 2 NH3(g)
A: Change in enthalpy (∆H ): if ∆Hrxn < 0 indicates exothermic reaction and ∆Hrxn > 0…
Q: What is the effect on the amount of solid NiCO3 and the concentrations of Ni2+ and CO32−CO32− when…
A: Effect on the amount of solid NiCO3: A solid can dissociate only up to when its ionic product is…
Q: Calculate the solubility of the slightly soluble salts of Cr(OH)2 and Cr(OH)3. What would you…
A: The question is based on the concept of solubility product Principle. it states that a weak…
Q: The TI in a 11.760 g sample of rodenticide was oxidized to a trivalent state and treated with an…
A:
Q: 6. A mixture contains at least one of the ions in the silver group (Ag*, Hg²*, Pb²*). Read the…
A: The qualitative analysis of the metal ions involves the identification of metal ions that are…
Q: The equilibrium constant for the disproportionation copper(I) shown below is 1.81 x 106. If the…
A: The reaction for the disproportionation of Cu+ is given as;
Q: Lead poisoning in children used to be treated with intravenous injections of EDTA. If the…
A: The molar mass of unknown compound is 122.3417 g/mole.Given that,Concentration of EDTA in the blood…
Q: Uses and applications of carbonatotetraaminecobalt(iii)nitrate
A: carbonatotetraaminecobalt(iii)nitrate is a co-ordination compound of cobalt (III). It under goes…
Q: Chemistry 2a. Give the division of the d-orbitals in an octahedron and name the orbitals. Give the…
A:
Q: explain why the formation constant of [Fe(bpy)3]^2+ from [Fe(H2O)6]^2+ might be expected to be…
A: bpy is bipyridine is a bidentate ligand, whereas NH3 and H2O are mono dentate. Formation constant…
Q: What is the pH of a 0.05 M solution of CdSO4 if the KA value for [Cd(H2O)n] 2+ is 3x10-9 ? b. Write…
A: To calculate the PH, first step is to calculate Pka
Q: Write down the defect chemistry equation for introduction TIO2 in MgO using the Kröger- Vink…
A:
Q: Explain the principle behind FRAP (ferric reducing antioxidant power) assay. What about ABTS Assay?
A: We have to tell principle behind FRAP and also about ABTS Assay.…
Q: How does potassium ferrocyanide K4[Fe(CN)6] prevent any pre-oxidation of the copper(I) ions in…
A: Oxidation : increase in oxidation number. Reduction : decrease in oxidation number.…
Q: Why is it important to exclude water when preparing Bis(Pyridine) Iodine (I) Nitrate complex.
A:
Q: Find the normality of the solution containing 4.63 g/l k2Cr207 (Fwt = 294.19) if cr+6 is reduced to…
A:
Q: What is the best synthesis and purification method with regards to cobalt(II) sulphate (CoSO4.7H2O)
A: Cobalt(II) sulphate can be synthesized by the reaction of cobalt metal with aqueous solution of…
Q: 13. Predict the product distribution for the reaction of cis-CH,Mn(CO),("CO) with PEt,.
A:
Q: Out of NH3 and CO2 which gas will be adsorbed more readily on the surface of activated charcoal and…
A: Adsorption: It is the phenomenon in which the adhesion of ions, atoms or molecules from as solid,…
Q: A 0.1017 g sample of KBRO, (MM=166.1) was dissolved in dilute HCl and treated with an unmeasured…
A: Given: Mass of KBrO3 = 0.1017 g. And volume of Na2S2O3 (or S2O32-) required = 39.75 = 0.03975 L…
Q: How does the doubly labeled water method depend on the existence of isotopic equilibrium between the…
A: doubly labeled water method depend on the existence of isotopic equilibrium between the oxygen in…
Q: Identifying Reaction Types Identify the reaction type shown and describe the clues that were used to…
A: Chemical reactions can be classified into different types , such as Decomposition reactions…
Q: 2. Aluminium sulphate (alum) is added to water with a pH of 7.2. Based on the reaction below,…
A: The given reaction is the hydrolysis of the salt. The salt here is Al2 (SO4)3 which on hydrolysis…
Q: Calculate Eº for the process PbI6) + e- → (s) + e > Pbs) + 21,
A: Given reaction is : PbI2 + e- <---------> Pb (s) + 2I2 Find standard cell potential = E0 = ?…
Q: In the iron (II)-silver ion system performed in the experiment, all of the following successfully…
A: Here we have to predict the test given which doesn't not occur when the system contains Fe^+2 and…
Q: What is the electron transfer of Fe2O3+C=CO2+Fe?
A: The objective question is to find the electron transfer in the given reaction - Fe2O3 + C → CO2 + Fe…
Q: The reaction between iron and thiocyanate ions involves this equation: Fe3+ (aq) + SCN" (aq) =…
A:
Q: What is the solubility of Cd(OH)2 at a pH of 11.08? Ksp(Cd(OH)2) = 5.000e-15.
A: Equation involved :- Cd(OH)2= Cd2+ + 2OH-
Q: 9. Identify the reducing agent in the following chemical reaction. Cd + NiO2 + 2H2O → Cd(OH)2 +…
A:
Q: Why are we adding NH3 and write down the net reaction. CALCIUM PEROXIDE OCTAHYDRATE (CaO2.8H2O)…
A: Calcium peroxide cannot be synthesised through direct reaction of molecular oxygen with calcium…
Q: Write the name, stereochemistry and magnetic behaviour of the following: (At. nos Mn = 25, Co = 27,…
A: The given complexes are K4[Mn(CN)6] [CO(NH3)5Cl]Cl2 K2 [Ni (CN)4] To find: The name, stereochemistry…
Q: What is the equilibrium constant for the following reaction, provided that the Ksp for Barium…
A: To proceed for such questions manipulate the chemical equilibrium equation easily.
Q: How can you experimentally distinguish cis- and trans- form of K[Cr(C2O4)2(H2O)2] complex
A: In the Trans isomer of this complex where H2O attain axial position in the octahedral geometry this…
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- What is the solubility of Cr(OH)3 in g/l at pH 9.55? Ksp for Cr(OH)3 = 6.30 x 10-31?Describe the principle behind each of the following processes: (i) Vapour phase refining of a metal. (ii) Electrolytic refining of a metal. (iii) Recovery of silver after silver ore was leached with NaCN.Why is it important to exclude water when preparing Bis(Pyridine) Iodine (I) Nitrate complex.
- What is the purification methods that are used for Cobalt (II) sulphate and explain themWhat is the reason of starting with Co(II) complex instead of Co(III) in experiment of preparation and solution conductivity of [Co(NH3)4CO3] and [Co(NH3)5Cl] Cl2 ?Uses and applications of carbonatotetraaminecobalt(iii)nitrate
- What is the yellow precipitate collected from the reaction N(CH3)4Ix with AgNO3? If all the iodine in N(CH3)4Ix were converted to the product, calculate the value of x. Using VSEPR, propose a structure for the polyiodide product. Also propose structures for the interhalogen species ICl2-, IF4-, and IF6-.Write two half-equations for each reaction involved in the preparation of the complex (synthesize potassium tris(oxalato)chromium(III) trihydrate, K3[Cr(C2O4)3].3H2O ) using oxalic acid dihydrate, H2C2O4.2H2O, and potassium dichromate, K2Cr2O7, and a balanced equation for the overall reaction.Aside from EDTA, enumerate (5) important chelating agents in the field of Medical Technology.
- The iron content of a large lump of ore is determined by taking a single small sample, dissolving it in acid, and titrating with ceric sulphate after reduction of Fe (III) to Fe (II). What are the possible source of random and systematic errors?Explain the role of potassium hexacyanoferrate(II), K4[Fe(CN)6] as a component of the Benedict’s reagent for the Estimation of GlucoseHow does the doubly labeled water method depend on the existence of isotopic equilibrium between the oxygen in H2O and that in CO2?