Please show solution and explain   [Co(H2O)6]2+ + 4Cl1- ⇋ [CoCl4]2- + 6H2O

Q: Fe3+ is yellow, SCN- is colourless, and the [FeSCN]2+ is a very deep blood red. How is it red?!

A: Fe3+ is yellow in colour, SCN- is colourless

Q: What are the speculator ions in  2HCl(aq)+ BaSO4(s)-> BaCl2(aq) + H2SO4(aq)

A:

Q: Which one of the following compounds will give a colourless solution? a. [Cu(NH3)4(H2O)2]2+…

A: Colour of a transition metal complex is generally due to unpaired electrons and d-d transitions.

Q: Which compound will decompose with formation of yellow sulphur S0?       a. Na2SO3 b. K2SO4…

A: A decomposition reaction is a reaction in which a compound breaks down into two or more simpler…

Q: What reagents can be used to this picture? Choices : Potassium permanganate, Pyridinium…

A:

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the…

A: The given compound is Cobalt (II) acetate. It is a strong electrolyte and it dissociates completely…

Q: Calculate ΔrHΔrH for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions…

A: 1- First reverse the Last equation : 2CaO(s) ------> 2Ca(s) + O2(g)..... (4)  ∆H1 = +1269.8…

Q: 4. Maleic acid (HCO:C-CCO:H) has pKai-1.92 and pK2- 6.27. At what pH is the CO:C=CCO;H°…

A: The species maleic acid can be described as the types of diprotic acids which having two replaceable…

Q: A. Identify the IMFA present bei molecules oT each compound. Compare the IMF of three molecules…

A: Boiling is dependent on the intermolecular force of attraction. The greater the intermolecular…

Q: Calculate the [H3O+] of 3.0M H3PO4 solution, given the acid dissociation constant for H3PO4: Ka1 =…

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Q: What reagent/s is/are needed to confirm the identity of the cation in the diagram?

A: only the MgCl2 give white precipitate with NaOH SO Mg2+ is cation give white precipitate barium…

Q: Calculate the percent dissociation of trimethylacetic acid (C,H,CO,H) in a 0.15 mM aqueous solution…

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Q: (c) NH4 * to NO3" (acidic)

A: Given NH4+to NO3- oxidation or reduction

Q: Acid Ka pKa A H3PO4 7.5x10-3 HCIO 3.5x10-8

A: The equilibrium constant of an acid can be given by Ka values. pKa values give the potential of the…

Q: A) Phenol Red is a weakly acidic dye which is yellow in the HA form and red in the A form. What…

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Q: Hemoglobin, Hb, has four Fe atoms per α molecule that, on average, bind about three O2 molecules.…

A: The equilibrium reaction for the oxygenation of hemoglobin is: Hb(aq) + 3O2(g) ⇌ Hb(O2)3(aq)

Q: Which of the following will have the highest pKa? A. Co,?. B, HCO31 C. H2CO3 D. H2SO3 E. HCIO3

A: Acid is substance which release hydrogen ions. Weak acid has strong conjugate base and weak base has…

Q: Which of the following will result in an acidic solution when dissolved in water?   CaF2 PbCl2…

A: Acidic solutions are the ones in which there is the formation of cationic species in product.

Q: A solution consisting of 1.14e-4 M H2S was found to be 2.78196 % ionized. What is the Ka? See…

A:

Q: What is the buffering capacity of a 0.25M solution of Tris at pH=7.0? Note: the pKa=8.3 and the…

A: Given data: Concentration of solution = 0.25 M pH of solution = 7.0 pKa of solution = 8.3 Formula…

Q: Identify the driving force for the following reactions. I. MgCl2 + 2 KN03 → Mg(NO3)2 + 2 KCI II.…

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Q: (a) Give the IUPAC name for the following complexes: (i) OEC Fe OC co Tc. OC (ii) CH3 (iv) CH3 H3C…

A: For naming of coordination compound, first name of ligands are written alphabetically and then name…

Q: 10. Rank the following in order of acidity of their -OH group (1-4: 1 for strongest) Explain the…

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Q: and a) +3, -1 b) +2, 0 c) +2, -2 Q14: salenH2 ligand prepared by 2) condensation of salicylaldehyde…

A: the correct option is:

Q: a. tor each pair, State and explain which is mote basic : (t) (r) b. tor each pair Enantiomer,…

A:

Q: From the following list, select all salts that would form an acidic aqueous solution.     LiClO2…

A: For these salts , we would write their dissolution in water and check the strength of acid and base…

Q: Which of the following can act as (a) chelating agent(s)? Group of answer choices H2NCH2CH2NH3 NH3…

A: Among these the chelating agent is given below

Q: 3.) A standard reference FeSCN2+ solution (0.020 M) has an absorbance 1.070. What is the…

A: Since the absorbance is proportional to the concentration of the ion. Hence we can say  A = K C…

Q: Which of the following reactions would have a positive AS" ? (1) Na₂SO4(s)- --> 2 Na+ (aq) + SO4²…

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Q: 3. Methyl orange behaves much like methyl red in the respect that it is mostly protonated at very…

A: As per the policy, we are only allowed to answer only 1st question. To get the answer of other…

Q: iv. -W- OC OC V. H,

A:

Q: 1. Write the basic equilibrium equation for PO₄³⁻ 2.Compared to HCO₃⁻, H₂CO₃ has a A) Higher Ka B)…

A:

Q: Answer the following based on the reactionH3PO2 (aq) + Cr2O72-(aq) → H3PO4 (aq) + Cr3+(aq)   What is…

A: Oxidation number of an element is its number of donated or received electrons. A negative oxidation…

Q: ms the more reactive borate.

A: Answer: the hydroxide or alkoxide accelerate the Suzuki coupling to forms the more reactive borate.

Q: Rank the following in decreasing order with respect to relative basicity: * ii iii %3D

A:

Q: The pKa of Cl3CCO2H is 0.64. What is the pH of a 0.580 M solution? What percentage of the Cl3CCO2H…

A:

Q: a) +3, -1 b) +2, U Q14: salenH2 ligand prepared by b) condensation of salicylaldehyde (1 equiv.) and…

A: salenH2 ligand is prepared by:

Q: What is formed in the precipitation test for sodium ion? A. potassium-sodium cobaltinitrate B.…

A:

Q: Show by calculation the pH of 0.5 M acetic acid (CH3COOH) solution. (Ka of CH3COOH is 1.74X10-5

A: The question is based on the concept of pH of the solution.   it is defined as a negative logarithm…

Q: Using the HSAB theory, predict the direction of the ff. reactions and explain. a. CdI2 + CaF2 ↔️…

A: Hard-soft acid- base(HSAB) theory:  It explains patterns in Lewis acid-base reactivity in terms of…

Q: 1. H2O NaOH + 2. + H2O → HaPO. 3. Na:COa NaOH +

A: Following are the balanced chemical equations . Since it is a multipart questions,I solved 1st 3…

Q: 4+ H2 NH3 NH3 H2 N. H2 NH3 NH, Ha

A: Ethylene diamine is (NH2-CH2-CH2-NH2) is a neutral ligand. NH3 also has 0 charge NH2-(amido) and…

Q: How should the pH of a 0.2 M solution of KC2H3O2 compare to that of a 0.2 M solution of NaC2H3O2?…

A: As we know NaOH is strong base than KOh

Q: B. Reactivity (Write color change or evolution of gas) sample Butan-1-ol Butan-2-ol…

A: The question is based on the concept of organic reactions. we have to identify the observations in…

Q: What conjugate base could be used to make a methylammonium buffer (CH3NH3+) at pH = 10.50? a.…

A: Correct Ans - a CH3 NH2  Conjugate Base - When an acid donates a proton to a solution it becomes…

Q: In which of the following mixture there is NO effervescence observed? A. H2O2 (aq) + Cl2 (g) B.…

A: There will be no reaction when NaCl (aq) is added with MnO2(s) as  the Ecell < 0 , (which shows…

Q: 3. Write a balanced equation for the hydrolysis of each anion. a. CI¹ b. C₂H₂O₂ CO,¹ C.

A:

Q: -Br А. OCH3 B.

A: As you have posted multiple subparts and have not mentioned which subpart you want us to solve.…

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.