When a metal is placed in water, what is experimental evidence that reaction occcured? A. Pink color of solution upon addition of phenolphthalein B. Bubble C. A solid precipitate forms D. None of the given choices occur, metals do not react with water. E. More than one of the possible given choices is correct.

Q: What is the purposing of synthesizing Alum from an Aluminum can, and how does this experiment relate…

A: Alum is a double sulfate compound of a metal and aluminum. If potassium is present along with…

Q: When sodium bicarbonate is heated in a test tube, water vapour, carbon dioxide gas, and a solid…

A: Since we know that when sodium bicarbonate is heated in a test it gives out water vapour , carbon…

Q: If we put silver in an iron nitrate solution, what would we expect?

A: In a displacement reaction , a highly reactive metal (having lower standard reduction potential…

Q: Arsenic forms binary compounds with Cl and with Mg. Will it be in the sameoxidation state in these…

A:

Q: Put the compounds in order of INCREASING oxidation state. он 0=c=0 HO, A B.

A: Since in question it is not clearly mentioned about which element's oxidation state to be…

Q: What characteristics do you believe zinc gives to this coated, or galvanized, steel? What safety…

A: Zinc : Zinc is the metal which is often coated as outer coating on stainless steel , this coating…

Q: Name the compllex CrCl2 (en)2. The oxidation number of chromium is +2. Enter the name.

A: Naming of coordination complex

Q: Oxygen oxidizing Sulfide [ Choose ] Superoxide [ Choose ]

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

Q: magnesium metal to form solid titanium metal and moltenmagnesium chloride. (a) Write a balanced…

A: SOLUTION: Step 1: a). The reaction between the magnesium metal and titanium chloride gives solid…

Q: Which substance CANNOT decolorize bromine water?

A: The molecular components present in the various substances are

Q: Assign an oxidation state to each atom CF4

A:

Q: Zirconocene dichloride is neutral. What is the oxidation state and electron count of zirconium? Is…

A:

Q: Fluorine exhibit only –1 oxidation state whereas other halogens exhibit +ve oxidation states also.…

A: The given statement is, Fluorine exhibit only –1 oxidation state whereas other halogens exhibit…

Q: provide the correct balanced equation to represent the reaction described. Aluminium bromide…

A: Given -> Reagents are -> Aluminium bromide= AlBr3 Chlorine gas = Cl2

Q: Use the electronic configuration of zinc to explain why it forms only a +2 cation (a +ll oxidation…

A:

Q: When metal A is placed in a solution of a salt of metal B, thesurface of metal A changes color. When…

A:

Q: The oxidation number on the phosphorus in Na₃PO₄ is

A: TRISODIUM PHOSPHATE: It is also known as sodium phosphate. It is an inorganic compound. The chemical…

Q: atomic ions have an oxidatiIon equal to their charge. tomic ions and neutral cules have a charge…

A: Oxidation state is the hypothetical charge developed on an atom  when it is separated from other…

Q: Heating pyrites to remove sulphur is called:(a) Smelting(b) Calcination(c) Liquation(d) Roasting

A: The process to remove sulfur from pyrites is called Roasting. Option (d) is correct.

Q: How many grams of copper must react to displace 13.7 g of silver from a solution of silver nitrate?

A: Mass of silver =13.7 g. The atomic mass of silver = 107.9 g/mol Moles of silver =13.7 g107.9…

Q: Define the following constants and explain how these constants aid in the determination of samples’…

A: Peroxide value, anisidine value and total oxidation(totox) value are used to measure the quality of…

Q: (a) What are the three commercial products formed in the chlor-alkali process? (b) State an…

A: Chlor-alkali process It is the process of electrolysis of brine solution. At cathode, H+ gets…

Q: (a) Name a metal which does not stick to glass?(b) Name a non-metal which is good conductor of…

A: We will answer first one since the exact one isn't specified. Please submit a new question…

Q: What's the purpose of Electrolysis, Faraday, and Avogadro’s Number Experiment?

A: The purpose of Farday's Electrolysis : Electrolysis is the use of electric current to stimulate a…

Q: In which compound does phosphorous have the lowest oxidation state? Select one: a. P,S5 b. P,0, с.…

A: Oxidation number Oxidation number of free  element is zero. The oxidation number of H is +1 The…

Q: . Which scenario indicates that the reduction process occurred?

A: There are two type of processes that take place in redox reactions ;-   oxidation reaction…

Q: a) This question concerns the group (iv) elements carbon, silicon, germanium, tin and lead. i)…

A: Element    Structure of element                          OxideC6                Diamond, graphite,…

Q: Write out the net ionic equation for a piece of calcium placed in a Gold(I) nitrate solution

A: The reactants given are, 1) Calcium i.e Ca (s) metal 2) Gold (I) nitrate solution i.e AuNO3 (aq)

Q: Determine the oxidation state for each of the elements below. The oxidation state of The oxidation…

A: The formal charge that arises on any atom of any species is called the oxidation number of that…

Q: The elements which has/have the most unstable oxidation state is:  a. alkali earth metals b.…

A: The oxidation state describes the degree of oxidation of an atom in a chemical compound.

Q: How is the number of moles of deposited copper related to the number of moles of dissolved copper?…

A: A question about electrochemistry, which is to be accomplished.

Q: a solution of zinc acetate and a piece of aluminum metal are mixed together in a test tube  a)…

A:

Q: a For the reaction of chlorine with water: i write a balanced chemical equation ii give the…

A:

Q: oxidation state INCORRECT?

A: Given information: (a) NaO2   O= -1/2 (b) NOF     N= +3 (c) Ammonium ion    N= -3 (d) Azide ion…

Q: What property of activated charcoal makes it a good decolorizing agent?

A: Activated charcoal is also called activated carbon.Charcoal is obtained from coal, coconut shells…

Q: 27) The cycle of copper reactions illustrates important principles of chemical reactions. The cycle…

A: The equation is:

Q: List of metals arranged in order of decreasing ease of oxidation: Activity series Reactivity table…

A: List of metals arranged in order of decreasing ease of oxidation.

Q: Remember that most compounds of alkaline earth metals do not dissolve easily in water. What is the…

A: Introduction Alkaline earth metals: Group 2 metals are known as alkaline earth metals. They are…

Q: When silver tarnishes what has been oxidized and what has been reduced?

A: Solution: First we must know that what is silver tarnishing. So it generally redox reaction of metal…

Q: Iron rusting is an example of a

A: When moisture or air comes in contact with iron, rusting happens. The oxygen present in the air…

Q: OXIDIZING AGENT. W

A:

Q: Which metals do not corrode easily?

A:

Q: The elements which has/have the most unstable oxidation state is:  a. alkali earth metals b.…

A: OXIDATION STATE: It is also known as the oxidation number. It is defined as the measure of oxidation…

Q: oxidation state of metal atom

A:

Q: When copper is dissolved in solution it can be recovered by the process of Redox Reaction

A: The reason for the given statement "when copper is dissolved in solution it can be recovered by the…