Write the reactions of EDTA in the ionization steps.

Q: What is the role of sodium hydroxide in Azo dye compound ?

A: The role of sodium hydroxide in azo dye compound has to be given.

Q: Draw the structure of EDTA^4- and explain why EDTA^2- can act as a buffer?

A: The compounds given are EDTA4- and EDTA2-.

Q: . Give complete chemical equations of the following reactions a. Oxalic acid + Sodium hydroxide > b.…

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: Explain how the oxidation state of group 17 elements affect the acidic strength of their compound

A: The oxidation states of the halogens vary from -1 to +7.  In the Long form of periodic table, the…

Q: In what terms can you express the alkaline strength of pearl ash?

A: Pearl ash is also known as potash, chemically it is potassium carbonate.

Q: Calculate the pH of a solution of ammonium acctate. Given that: K, - 1.76 x 10, K,- 1.8 x 10 and K,…

A: A salt formed of weak acid and strong base is alkaline in nature and has a pH above 7 while a salt…

Q: 1. Write a balanced net ionic equation for the reaction between iron (III) nitrate and sodium…

A:

Q: Calculate the pKa of the weak acid HA, given that a solution of 0.65 M HA and 0.85 M NaA has a pH of…

A: The formula for calculating pKa of an acid with the given values of pH and concentrations of HA and…

Q: Write the chemical formula for aquabromobis(ethylenediamine)chromium(III) chloride.

A: coordination complex :a compound which does not losses it's identity when dissolved in aqueous…

Q: Write the dissociation equation and calculate the pH for a solution of 2.5 M HNO2 nitrous acid, Ka…

A:

Q: Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when…

A: Here, we have to write the net ionic equation involved in the acid-base hydrolysis equilibrium when…

Q: Estimate the fractional composition of EDTA at pH=10.36.

A: The concentration of hydrogen ion, H+, in the solution of pH 10.36 is;…

Q: 17. Potassium hydroxide, KOH reacts with hypochlorous acid, HCIO to produce potassium hypochlorate,…

A: Introduction: Dissoction is the breaking up of a compound into simpler constituents that are usually…

Q: Calculate the concentration of fluoride ions in a saturated solution of scandium(III) fluoride at 20…

A: The chemical equation can be given as follows: ScF3↔Sc3++3F- Ksp = 4.2×10-18 The expression for…

Q: What is the pOH of 0.92 M RBCI04?

A: Given : Concentration of RbClO4 = 0.92 M

Q: Write the equation for the reaction of Pb2 with CrO42-.

A: The reaction between Pb+2 and CrO4-2 is a precipitation reaction.

Q: Neutralization of phosphate . Given that phosphoricacid (H3PO4) can give up three protons with…

A: Titration curve for H3PO4 versus NaOH

Q: Identify the Lewis acid, Lewis base, conjugate acid and conjugate base for the reaction of…

A: According to the Bronsted Lowry theory of acid and base,

Q: Calculate the pH of the following salts solutions: (a)0.25 M NaHCO3. (b) 0.074 M NaH2PO4. (c) 0.1 M…

A: We know the pKa value ofH2CO3 = 6.35H3PO4 pKa1 = 2.12H3PO4 pKa2 = 7.21H2EDTA = 2.7 Now all the given…

Q: s. Given the following selectivity data (kij) for this ISE, à Chat activity = concentration). erant…

A: Given: Econst=0.197 V0.5M Ca+,0.2MCa2+

Q: Lithium hypoiodite (LiOl) is the lithium salt of the conjugate base of hypoiodous acid. The Ka for…

A:

Q: Calculate the PH and the POH FOR a solution that is ISM IN Hellz and .04M IN HALO₂, Heloz K; FOR…

A: HClO3(aq) is a strong acid, whereas HClO2(aq) is a weak acid with Ka = 1.1*10-2  Given [HClO3(aq)] =…

Q: Write the formula for the salt formed when three oxalate ions complex with Co(II), assuming that the…

A: A complex ion is made up of central metal atom together with the ligands. In this complex, cation is…

Q: Most PFAAS have extremely low pka values (< 1), while oceans and rivers tend to be slightly basic…

A:

Q: What is the pH of a 0.473 solution of sodium hypobromite (NaOBr)? The Ka of hypobromous acid is 2.24…

A:

Q: Salts of hypoiodite ion behave as a weak base, undergoing hydrolysis in water according to the…

A: Given Reaction:-  IO-  + H2O  &lt;----------&gt; HIO + OH-  Kh = 0.00044  Kh = [HIO ] [ OH- ] / […

Q: A weak acid, HA, has pKa=6.2. If a solution of NaA (aq) is prepared, what does the pH of the…

A: The Henderson–Hasselbalch equation relates the pH of a solution containing a mixture of the two…

Q: Define mean life of radioactive atoms. Suppose a buffer solution contains Z moles of NaOH and 0.025…

A: Solved in step 2.

Q: Use the References to access important values if needed for this qile Write the net ionic equation…

A: General steps to be followed while writing net ionic equation:  1:Write balanced chemical equation.…

Q: mine the pH of a 0.52 M lithium nitrite solution. (Ka for nitrous acid = 4.5 x 10-4 7.00 12.18 8.53…

A: Given, the Ka for nitrous acid = 4.5×10-4 We have to calculate the pH of 0.52 M lithium nitrite…

Q: Why do alkali metals and salts impart color to an oxidizing flame?

A: The group 1 elements are called alkali metals. It includes lithium, sodium, potassium, rubidium,…

Q: Write the equation for the formation of silver acetylide by adding ammoniacal silver nitrate to…

A:

Q: The molar concentration of H3O+ ions in the following solutions was measured at 25 °C. Calculate the…

A: pH is used to measure acidity or basicity of an aqueous solution. pH of any solution can be…

Q: When Ca metal is placed in an aqueous solution of NaCl, the calcium slowly disappears and bubbles…

A: The activity of a metal depends on the electropositive nature of it. More the electropositive metal,…

Q: Calculate the pH of:  A 0.0850 molar solution of the intermediate (HA) form of threonine.     It is…

A: Given, 0.0850 molar threonine compounds The pOH of the solution is calculated as follows,

Q: A 0.200 M solution of nitrous acid (HNO,) had a pH of 2.07. What is the Ka value for nitrous acid 1.…

A:

Q: A 0.200 M solution of nitrous acid (HNO2) had a pH of 2.07. What is the Ka value for nitrous acid.

A: Nitrous acid is a weak acid.

Q: Briefly discuss the following a) The structures and mode of action of anticancer platinum compounds…

A: Anticancer platinum compound: * Platinum exists primarily in either a 2+ or 4+ oxidation state.…

Q: Given 0.75 M solutions of acetic acid (pKa = 4.76) and sodium acetate, what is the ratio of…

A: Given: PKa of acid = 4.76 pH of solution = 6.3

Q: 20 The figure below shows dry hydrogen gas is passed over a powdered oxide of powdered X dry…

A: Reaction of dry Hydrogen with powdered metal oxide is as follows: H2+ XO→X+H2O . So, the products…

Q: How does ALDI do it?

A: ALDI stands for Albrecht Discounts. It is a super market owned by two German family which has over…

Q: 17. Which of the following tement All oxides of the s-bleck elements are basic. The solubility of…

A: A) s- block elements are metals and metals form basic oxides. Thus oxides of all s-block elements…

Q: Which of the following is not a chelating agent? Oa ethylenediamine cyanide anion pe porphine…

A: We know that Chelation : bonding of ions and molecules to metal ions. It involves the formation of…

Q: Iodine (I,) reacts with thiosulfate (S,0;-). 2 S,03 (aq) + L, (aq) =21-(aq) + S,0 (aq) If the…

A: Balanced Reaction 2 S2O32- (aq) + I2(aq) --&gt; 2I-(aq) + S4O62- (aq) Thiosulfate solution reacts…

Q: how change in pH changes the colour of K2Cr2O7?

A:

Q: Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when…

A: When any salt dissolved in water, it gives it's Acidic and basic Substances, from which it is…

Q: A buffer solution is 0.318 M in HClO and 0.217 M in KClO . If Ka for HClO is 3.5×10-8 , what is the…

A: pH = pKa + log [salt]/[acid]

Q: 1. Write the balanced molecular equation for the reaction of the CuSO4 with ammonia to form…

A: Dear student, since you have asked multiple questions but according to guidelines we will solve 1st…