Corrosion of a metal involves the      reduction  of the metal cations.     oxidation of the metal cations.     reduction of the metal atoms.     oxidation of the metal atoms.

Q: Which of the following does not belong to the group? aluminum tray marble…

A:

Q: Consider the elements O, Ba, Co,  Be, Br, and Se. Match the elements to the appropriate blanks in…

A: Applying basics of periodic properties.

Q: In four or more sentences, how do transition metals react with acid?

A: In laboratory, the general procedure to remove metal impurities is the treatment of metal with…

Q: What is the chemical formula and Lewis structure for copper (II) ammine complex.

A: Given-> Copper(2)ammine complex

Q: Complete and balance the following equations. Write the entire equation, including the reactants and…

A: Balanced chemical equation of a reaction is written according to law of conservation of mass.…

Q: Discuss the link between these underlying physical/chemical properties and the environmental or…

A: A question based on environmental chemistry that is to be accomplished.

Q: 3 Fe ions were formed. How many electrons were removed? Fe → Fe+3 + 3e

A: we have to calculate the number of electrons removed when 3 Fe ions are formed

Q: Explain these concepts Ionization enthalpy Electron gain enthalpy

A: Ionization Enthalpy: It is the energy required to remove the most loosely bound electron from an…

Q: What is the AXE symbolism for the nitrate ion? O AX3E O AX3 O AX4 O AX2E O AX2E2

A: In AXE notation , A is central atom , X  is the atom directly attached to central atom and E…

Q: Compare and contrast the chemistry of group 1 elements with that of group 2 on the basis of the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 22. Copper is obtained from sulfide ores through a two-step process consisting of roasting the ore…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Blank 1 are alkali and alkaline earth metals (primarily calcium, magnesium, potassium, and sodium)…

A: A question based on biological importance of chemical elements that is to be accomplished.

Q: Which of the following elements is easiest to ionize (has the lowest ionization energy)? O A. Si O…

A: Ionisation energy is the minimum amount of energy required to remove the outer most electron from an…

Q: Sequestering agent for Benedict’s Solution:

A: In this we have to know about sequestering agent for Benedict's solution and salts of these alkaline…

Q: 8. Find the key characteristic of redox reactions. * O A. The reactions fixed electron…

A:

Q: Transition that causes to the characteristic blue color of K,[Re,Cl]will be A) o -o B) 7 – 7° С) л —…

A: A quadruple bond between the d-orbitals of the two metal centers forms. Eight electrons are shared…

Q: the reducing properties of atoms increase in: a) increase the value of the ionization potential b)…

A: Ionization potential: The amount of energy needed to detach an e- from an isolated atom or molecule…

Q: 5. When substances form solutions with water, they always dissolve, but sometimes they also…

A: Interpretation: We have to explain the difference between dissolve and dissociate.

Q: A child comes to a see a doctor and the doctor diagnosis the patient with hyperacidity or gastritis.…

A: Ans:- a) Composition of acid in the stomach- Hydrochloric acid HCl Milk of magnesia - magnesium…

Q: This elements produced bright yellow flame when used in fireworks. * Ве Ca O Sr Mg Group 2 elements…

A: Answer Q=1 which element produce bright yellow flame when used in…

Q: 18 13 14 15 16 17 He Li Be B. Ne No Mg Al Si P. K Ca Ga Ge As Se Br CI Ar K Kr

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A chemical bond is: A force of attraction between elements with inner electrons in a lower energy…

A: A chemical bond is defined as the force of attraction between the valence electrons of two or more…

Q: The same volume of the FCC iron will be heavier than the BCC iron Equiaxed grains show anisotropic…

A:

Q: Transition that causes to the characteristic blue color of K, Re,Cl will be A) σ-σ B) 7 – 7* С) л —…

A:

Q: Which of the following elements has the smallest first ionization energy?     P     K     C…

A: Ionization energy : the minimum amount of energy is required to knock out the most loosely bound…

Q: Is Gd considered a F-block element, main group element, transition metal, or halogen? main group…

A: Gd is an atomic symbol of the Gadolinium element and has an atomic number of 64. Gadolinium is a…

Q: 1. (a) Determine the valence electron counts on the transition metals. Find out the formal oxidation…

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Q: Which element is neither a transition element nor a representative element? Iron Manganese…

A: Hence 3rd option is correct that is mercury

Q: IEX is applicable in the analysis of Mixtures of cations Mixtures of cations, anions and neutral…

A: IEX is ion exchange chromatography which is used to sperate charged partical such as amino acids,…

Q: Write the type of compounds that are the main constituents of the following minerals: Sand…

A: We have to write the main constituents of the given minerals in the question.

Q: Covalent Ionic Metallic Hydrogen   What is the protective coating that helps some metals react…

A: Covalent bonding is the key to the crystal structures of the metalloids.

Q: Write the electron configurations for each of the following elements and its ions:(a) Ti(b) Ti2+(c)…

A: (a) The atomic number of Ti is 22, so the number of electrons in Ti is 22. Hence, the electronic…

Q: Oxygen is transported around the body by the globular protein hemoglobin which contains four Fe2*…

A: 1. The equilibrium constant, K, is much stronger in haemoglobin-carbon monoxide reaction compared to…

Q: In an ion-exchange process, which ion has a higher affinity for exchange: Potassium ions (K+) or…

A:

Q: What are the oxidation numbers for each element in the compound: PbO2

A: Given molecule: PbO2 We have to calculate the oxidation numbers of Pb and O in PbO2

Q: Iron(II) fumerate (also called ferrous fumerate) is prescribed for patients suffering from iron-…

A:

Q: Question attached

A: An ion is formed by the loss or gain of electron from the atom. If the electrons are gained,it…

Q: Give an example of ionisation isomerism.

A: Given: Explain ionisation isomerism with example.

Q: All of these following elements or compounds are chemically unreactive, except: Krypton O Carbon…

A: Given we know about the rectivety of the atoms All of these following elements or compounds are…

Q: In a single replacement reaction, why will one metal replace another metal in an ionic compound? O…

A: Single replacement reaction :-  The reaction in which a metal replaces another metal in an ionic…

Q: W h e n   t i t r a t i ng   a   0 . 0 5 0   M  N a 2 C O3   s o l u ti o n, choose: a  s t a nd a…

A:

Q: Determine the number of valance electrons in each of the transition metal compounds. TiO2 FeCl3…

A: Explanation Valence electrons: An electron of an atom, placed in the outermost shell (valence shell)…

Q: Name each of the transition metal compounds TiO2 FeCl3 HgO

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: Establishing the relative reactivity of metals requires a comparison of their relative tendency to…

A: The relative reactivity of a group of metals can be measured by comparing the reaction of each metal…

Q: 8.What is the main source of phosphate ions in our ground wate O decomposing animals decomposing…

A: (8) fertilizer  (9) Soft water has low concentrations of calcium and magnesium ions. (10) Two of the…

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.