Which is an anode? a) copper metal b) copper (II) ion c) zinc metal d) zinc ion

Q: 1. By definition, an electrolyte is a. a substance that conducts electricity when molten. b. a…

A: The chemical substance that conducts electricity when molten or dissolved in water is called…

Q: A solution of lead(II) nitrate is mixed with a solution of potassium iodide.  balanced ionic…

A: The aqueous solution of lead(II) nitrate reacts with the aqueous solution of potassium iodide to…

Q: would you be able to explain Redox Titration

A: The question is based on the concept of volumetric analysis. redox titration is a method of…

Q: Find oxidation number

A: Oxidation Number: It is also known as the oxidation state and it is defined as the total number of…

Q: explain redox Reaction with one Example?

A:

Q: Write net ionic equations for reactions between the following pair of compounds in water. a) calcium…

A: a) The reactants given are Calcium nitrate i.e Ca(NO3)2 and sodium phosphate i.e Na3PO4.

Q: hromium(II) bromide and sodium phosphate net ionic equation

A: The balanced equation of the reaction represents the number of atoms and types of chemical species.…

Q: 42 Answer true or false. 42.2 (f) In a solution that conducts electricity, cations migrate toward…

A: The answer is as follows:

Q: Which of the following actions would be involved in electroplating with gold? Select all that apply.…

A: Electroplating with gold is a method in which thin layer of gold is deposited on the surface of…

Q: What is the net ionic equation for Ammonia solution and sulfuric acid?

A: A net ionic equation can be written using following rules : a) Write the balanced molecular…

Q: Which of the following has the greatest tendency to be reduced? a. zinc ion b. ferric ion *c.…

A: Whether a species given will get oxidised or reduced is a variable of the several factors like…

Q: hydrogen peroxide solution is added to a solution of iron(II)sulfate. Can you please explain and…

A: We have to predict the product of the given reaction.

Q: What is the oxidation number of Zn in zinc metal? (Sec. 17.1) (a) 0 (b) -1 (c) -2 (d) -3 (e) none of…

A: We know that most of the metal showing the multiple oxidation number. Oxidation number is represent…

Q: Corrosion of iron can be prevented by placing it in contact with a piece of iron, as: a) Iron acts…

A: C option is correct. Zinc is oxidized faster than iron .electrons are derived from zinc to iron.

Q: For Questions 1 to 4: Giorno Giovanna likes golden stuff. However, since he is currently broke, he…

A: 1.) To calculate number of electrons needed , we would write an equation to change Au3+ to Au . 2.)…

Q: what is oxidation number of oxygen?

A: Oxygen is an element with atomic number 8.

Q: Which of the following elements has only one stable oxidation state in an aqueous solution?  a) Ge…

A: One of the prominent phenomena observed in p-block elements is the inert pair effect. The reluctance…

Q: Which of the following reactions occurs at the cathode of an electrolytic cell containing molten…

A: An electrolytic cell is a type of electrochemical cell employed to decompose chemical compounds with…

Q: identity it each of the statements below about is True or False. Then justify your choice for False…

A: Oxidation means lose of an electrons  whereas reduction means gain of an electrons.

Q: B. Write the terminology for the following statement

A: Terminology based on the redox reaction , solubility, atomic structure and periodic table.

Q: What is the gas produced when hydrochloric acid is reacted with ammonium sulfide? A) ammonia B)…

A: Hydrochloric acid reacts with ammonium sulphide to give two products, one is gaseous and the other…

Q: out the electrolysis of PdCl2(aq) and AgNO3(aq) solutions in separate cells. The masses of Pd and Ag…

A:

Q: Oxygen is a very powerful __ meaning it is readily ___ A) oxidizing agent, reduced B) oxidizing…

A:

Q: 12) Assign the oxidation number to each element in each of the following. 1) 11) 15) 16) 8) 2) 7) 3)…

A: Answer:- This question is answered by using the simple concept of assigning the oxidation state of…

Q: n be confirmed by adding nitric acids *

A: Ag+ ion is present in the Solution or not can be confirmed by adding HCl because it is formed AgCl…

Q: What ion will move to cathode if the electrolyte NaOH dissociates?

A:

Q: True or false: phosphorus can have a +6 oxidation number.

A: Phosphorus  Symbol = P  Atomic number = 15  So, it has total 15 electrons

Q: what gas is produced in a reaction with zinc and hydrochloric acid?

A: The balanced chemical equation between zinc and hydrochloric acid is given by

Q: select all statements That are true

A: This question is based on determination of nature of  reducing agent and oxidizing agent.

Q: to wear a nickel-plated copper coin: a) the nickel coin must be cathode b) the cathode must be made…

A: The cathode must be made of copper. B option is correct. Here oxidation of Ni takes place . If it is…

Q: Determine the oxidation number of the indicated element in each of the following ions. Type your…

A:

Q: Question 6.11. a) To which object (key or anode) do the electrons flow directly from the battery? In…

A: a) The electrons flow directly from battery to the key. When the cell is connected, electricity is…

Q: errous metals by adding four examples of each. Ferrous Metal Non-Ferrous Metal 2. Choose a one…

A: Ferrous and non - ferrous metals

Q: When a solution of Nal is electrolyzed, what can we conclude immediately? sodium is deposited at the…

A:

Q: ectrolysis. a)T b)F

A: Electrolysis is a commonly used method for extracting or collecting pure elements from natural…

Q: 3. Br2 BrO3 + Br (base)

A:

Q: An aluminium pan is anodized to make aluminium oxide layer thicker to resist corrosion .this is done…

A: Anodizing is an electrochemical process of forming an oxide coating as a result of oxidation of the…

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

A:

Q: The sum of the oxidation numbers of all atoms in a polyatomic ion is equal to the charge of the ion.…

A: Explained as follows

Q: 36) In water a completely breaks into ions in solution. weak electrolyte nonconductor suspension…

A: Electrolytes-When substances dissolve in water and it subject to change its physical or chemical…

Q: The oxidation number of sodium is +1.   Select one: True False

A: Ans True  The oxidation state of the elements is equal to the number of valancy electrons  Hence the…