A concentrated aqueous copper (II) chloride solution is bright green in color. When diluted with water, the solution becomes light blue. Explain. You may use chemical equations to emphasize your point.

Q: describes them. Color Density in g/cm Melting Point in Substance Kelvin Aluminum Oxidane Xenon…

A: Fill in the table

Q: 21.1 g of magnesium metal is burned in air to produce magnesium oxide, which is then dissolved in…

A: Mass of magnesium =21.1g Volume of water=1.89L Concentration of hydroxide=?

Q: I + Cr,0,- Cr" + I, + H2O (acidic)

A: The given redox reaction is  I-+Cr2O72-→Cr3++I2+H2O Oxidation half reaction I-→I2(as oxidation…

Q: Calculate the molarity of NO3-(aq) ions in a solution containing 2.89 grams of scandium nitrate…

A:

Q: Define the term Metallurgy?

A: The term metallurgy has to be defined.

Q: Write a balanced chemical equation for the reaction of solid vanadium(V) oxide with hydrogen gas to…

A: The balanced chemical equation for the reaction of solid vanadium(V) oxide with hydrogen gas to form…

Q: Potassium permanganate in acidic solution is used to titrate a solution of oxalic acid, with which…

A: This question demands the usage of concept of molarity. Molarity is defined as the number of moles…

Q: Br + Br2 Br Colorless Red Br, Br 2B12 Br Br Red Colorless

A: The reduced stability of these multiple bonds in the given reactions is the deciding factor for the…

Q: Indicate the oxidation state of every individual element in the following compounds. c. Na,CO3 f.…

A: We have to indicate the oxidation state of every individual element in given compound.  We can…

Q: Write the chemical formula for the nitrite ion

A: The chemical formula can be defined as the formula which represents the composition of the atoms…

Q: Liquid water reacts with solid sodium to produce aqueous sodium hydroxide (NaOH) and hydrogen gas.…

A:

Q: What is meant by ‘disproportionation’? Give an example of a disproportionation reaction in aqueous…

A: The redox reactions are the chemical reactions, which includes simultaneous oxidation and reduction.…

Q: What is the oxidation state of Cr in each compound?a. CrO b. CrO3 c. Cr2O3

A: The given compound is CrO,oxidation state of oxygen = -2.The compound is neutral, no…

Q: Why do transition elements show variable oxidation states?

A:

Q: What is the oxidation state of Cl in CaOCl2 ?

A: Chlorine is a halogen which can exist in various oxidation states. Its oxidation states include -1,…

Q: Write the chemical formula for sulfurous acid.

A: given :-  name of compound = sulfurous acid  to determine :-  It's chemical formula

Q: Write balanced chemical equations for the following reactions:(a) zinc metal heated in a stream of…

A:

Q: Write a balanced chemical equation for the following reactions: .  **You do not need to indicate s,…

A: Write a balanced chemical equation for the following reactions:

Q: The oxidation number of sulfur in Fe2(S2O8)3 is what?

A: Here we have to find out the oxidation number of sulfur in Fe2(S2O8)3

Q: Write a balanced chemical reaction for the reaction of zinc with iodine, assuming that zinc and…

A: Balanced chemical equation is defined as a chemical equation in which the product side and the…

Q: Write the balanced NET ionic equation for the reaction when chromium(III) bromide and sodium…

A: Net ionic equation is

Q: What is efflorescence? Give an example?

A: The structure of chemical compound can be represented as structural formula. A structural formula…

Q: Would you expect salts of the gold(I) ion, Au+, to be colored? Explain.

A: The presence of a partially filled d orbital is responsible for the coloration in ions because of…

Q: Predict the heat of displacement if iron powder and zinc powder is replaced by magnesium powder.…

A: Heat is released when a more reactive metal displaces a less reactive metal from its salt solution.…

Q: What is the balanced chemical equation for the reaction that occurs when magnesium metal is added to…

A: Given  Reactant = Mg , HCl  Balanced chemical Equation  = ?

Q: Specify the oxidation state of the metal ions in the product

A:

Q: The usual oxidation state of boron and aluminum is +3, whereas the heavier elements in group 13 have…

A: Answer  The main difference between group 13 element lighter and…

Q: The color of this substance is.... H3C CH3 CH.O H N-O H3C CH3

A: The given complex is Ni(DMG)2

Q: A 3.00-g sample of an alloy (containing only Pb and Sn) was dissolved in nitric acid (HNO 3).…

A: Given: Mass of alloy sample = 3.00 gMass of PbSO4 precipitated = 1.90 gMolar mass of PbSO4 = 303.3…

Q: 5. Name following compounds and find the oxidation states of them. (a) [Co(NH3)6]Cl; (b)…

A: Here we are required to name the complex and also find the oxidation state of the central metal.

Q: An impure sample of Na2SO4 weighed 1.562g. A BaSO4 precipitate from this sample weighed 2.496g.…

A:

Q: 2) What are the oxidation state for As and Cl in AsCl from this reaction? 2 As (s) + 3 Cl2 (g) ->…

A: Since we know that the Cl reacts with metals to form a ion Cl- with oxidation state of 1- And As is…

Q: excess

A: The chemical symbol for antimony is Sb and chemical formula of sodium nitrate is NaNO3.…

Q: Explain why solid CO2  is referred to as dry ice.

A: The rigid, incompressible objects present in the surrounding are classified as solid. The rigidity…

Q: Describe the electrolytic process for refining copper.

A:

Q: write and balance the chemical equation for the reaction ofaqueous silver nitrate with aqueous…

A: The reactants given are aqueous silver nitrate i.e AgNO3 (aq) and aqueous potassium phosphate i.e…

Q: Explain the process of standardizing solution of silver nitrate using hydrochloric acid.

A: We need to standardize a solution of silver nitrate using hydrochloric acid. For this, we are…

Q: Predict the products of the following reaction and balance the equation: __Na2SO3(aq) + __HCl…

A: Balance Chemical equation means no of atoms,ions should be equaal in both side reactant and product…

Q: Discuss each conclusion from a study of redox reactions:(a) The nitride ion functions only as a…

A: Redox reactions are the combination of reduction and oxidation reactions. Oxidation is defined as…

Q: The oxidation state of chromium in CrAsO4 is:                     (a)   0                    (b)…

A: Oxidation State is the imaginary or fictitious charge developed on an atom if all shared electrons…

Q: The maximum oxidation state of Tungsten is

A: The correct answer is option a) +6 The maximum oxidation state is equal to the number of electrons…

Q: Write the chemical formula for cesium acetate

A: The given compound is cesium acetate. It is an ionic compound formed between cesium and acetate ion.…

Q: Would you expect potassium perchlorate, KClO4(aq), in a concentrated acidic solution to act as an…

A: In Redox chemistry reductant is the species that donates e- to an electron receiver. Thus reducing…

Q: Steam is really hot liquid water. What would be the products formed when a metal reacts with stream?…

A: Concept: 1. when a metal react with steam then it produces H2 gass and Metal oxide. In general, the…

Q: One of the steps for refining silver involves converting silver into dicyanoargenate(I) ions:…

A: Balancing of reaction – A chemical reaction involves reactants and products. According to law of…

Q: он -OCH, А B D E

A:

Q: What is the name of the chemical process in which chlorine is added to sodium to create salt?

A:

Q: Because the oxide ion is basic, metal oxides react readily with acids.(a) Write the net ionic…

A: Net ionic equation is the the one that involves only those ion which are actually causing the…

Q: Iron(III) chloride is used to test the purity of your aspirin. Why does salicylic acid reacts with…

A: Given: Iron (III) i.e. Fe3+ reacts with salicylic acid.

Q: g. Aluminium in 1.200 g sample of impure ammonium aluminium sulphate was precipitated with aqueous…

A: Given: Mass of the sample=1.200g Mass of anhydrous Al2O3=0.1798g Atomic weight of Al=26.98 g mol-1…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.