What did the conducting solutions have in common?

Q: Determine the oxidation state for Sodium Iodide, NaI

A: The oxidation state (OS) of an element corresponds to the number of electrons, e-, that an atom…

Q: Potentially Useful Information Spectrochemical Series: | < Br < SCN' < Cl° < NO3¯< F° < OH° < C2O4²¯…

A: Applying concept of co-ordination number of 16e- complexes.

Q: Assign oxidation state to the underlined element. 2. SO2

A: Oxidation State of Sulphur in the molecule SO2

Q: write formation equations for four transition metals

A: We have to write the four formation equation of translation metal .

Q: A __________ electrolyte only dissociates partially when dissolved in water

A: Salts are classified into three categories in accordance with their dissolution and ability to…

Q: Indicate the oxidation state of the underlined element in the following species. Show all pertinent…

A:

Q: how do you determine the relative reactivities of metals

A: The relative reactivity of metals can be compared.

Q: 32. a. What is an activity series of elements? b. What is the basis for the ordering of the el-…

A: 32a. Activity of series  reflects the descending order of reactivity of metals 32. b Basis reaction…

Q: Balanced chemical equation for    Identification of nickel ion

A: Identification of ions is done by qualitative analysis of the compounds.

Q: The drain cleaner Drano consists of aluminum turnings mixed with sodium hydroxide. When it is added…

A: A chemical equation in which the electrolytes of aqueous solution are represented as dissociated…

Q: dloxide and diatomic chloride. Calculate the oxidation states for all atoms in the reactants and…

A: When atom loose electron then it is called oxidation and when atom gain electrons then it is…

Q: To prevent rust of the hull of seagoing ships, blocks of Zinc are attached to the hull underwater.…

A:

Q: Describe the reaction of aqueous solutions ofsodium sulfide and copper(II) sulfate, producing…

A: The reactions between aqueous solutions of sodium sulfide and copper(II) sulfate forming copper (II)…

Q: Writing the net ionic equation for the reaction of sodium with sulfuric acid

A:

Q: ammonium chromate molybdenum (VI) dichromate rhenium (IV) hydroxide disilicon octabromide iron (II)…

A:

Q: 5. The element that belongs to group II is _6. The element in a gaseous state is represented by. _7.…

A: There are 7 periods and 18 groups in the periodic table.  The properties of the elements down the…

Q: Indicate the oxidation state of the underlined element in the following species. Show all pertinent…

A: The oxidation state of an element can be explained as the charge acquired by that element in the…

Q: Which metal is least reactive based on the activity series?

A: The least reactive metal based on the activity series is Cu. In the activity series the metals are…

Q: What is a disproportionation reaction, and which of thefollowing fit the description?(a) I₂(s)…

A: A disproportionation reaction is a reaction in which one compound undergoes oxidation as well as…

Q: non metal atoms

A:

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: Write the balanced net ionic equation for the reaction of aqueous sodium sulfate with aqueous…

A: Steps followed while writing the balanced net ionic equation : 1): write balanced moleculer…

Q: what is the net ionic eguation. Naz Co3 + 2HCI 2Nacl + COz +H2O to

A: Balance chemical equation is defined as which has equal number of atoms or ions in both sides…

Q: (5.9: Similar to For Practice 5.13) What is the oxidation state of chromium in Cr₂O7²-? O +7 O 3 O…

A: Oxidation number or oxidation state both are the same. Oxidation number or oxidation state is the…

Q: 1. If magnesium is added to a solution of silver nitrate, which of the following would you expect to…

A: Answer - The correct option is (a) Explanation - According to the question - Magnesium  is added to…

Q: 100.0 g of a ground mineral sample consisting of a mixture of MGCO3 (magnesite) and BaCO3…

A:

Q: Which of the following describes the means of electrical conduction of Zn and ZnSO4? O A. Both Zn…

A: The question is based on the concept of conductivity. We have to identify the conductivity reasons…

Q: The metal cadmium tends to form Cd2+ ions. The followingobservations are made: (i) When a strip of…

A: a)  (i) When a strip of zinc metal is placed in CdCl2(aq), cadmium metal is deposited on the strip.…

Q: what ion is involved in the cleaning process?

A: pH of any solution can be expressed as the negative logarithm of concentration of hydronium ion. The…

Q: when aqueous sodium hydroxide is added to aqueous aluminium sulphate,a white precipitate is formed

A: Chemical reaction:The following reaction will occur when aqueous sodium hydroxide is added to…

Q: The oxidation state of the element Au in AuCl4- , Mn in MnO2 is ____and ___ respectively Multiple…

A:

Q: what colour do you observe for the solution of sodium sulphite in water?

A: Please find the attachment.

Q: What is the oxidation state of Cl in each ion? (a) ClO- (b) CIO2- (c) CIO3- (d) CIO4-

A: Question 1 a) ClO- = The oxidation number of oxygen is -2. The oxidation state of Cl in this given…

Q: Which of the following is not an application of colorimeter? O Paints O Inks O Cosmetics O…

A: This question of colorimeter is taken from single and double beam instrument in portion colorimeter.…

Q: A solution was prepared by dissolving 2.85 g of MgCh in sufficient water to give 3.000 L. Calculate…

A: Given: Weight of MgCl2 = 2.85 g Volume of water = 3 L Volume of Cl- ions = 50 mL = 0.05 L Atomic…

Q: oxidation state of species highlighted atom VO(s) H,O (aq) Cu'(aq)

A: Interpretation: We have to calculate the oxidation states of central atom.

Q: (b) A metallurgical laboratory carried out analysis of a sample in which analysis of Mn was done by…

A: The mass of the ore sample is = 3.18 g The mass of the MnSO4 precipitate is = 0.28 g The percentage…

Q: 250% Explain why KCI is an ideal salt to be used in salt bridge.

A: Dear student I have given answer to your question in the image format.

Q: State and explain two precautions that should be taken when working with a sample of magnesium in a…

A: In chemical laboratory most of the chemicals are hazardous so that we have to working safely with…

Q: 2. Fill in the blanks with appropriate word: ( a. Bulk minerals are- then --am electrolytes. b. Iron…

A:

Q: Assign oxidation state to the underlined element. 1. KCLO3

A: The oxidation state of an atom is the total charge on itself.

Q: Austeritic steel is composed of 74% iron, 1896 chromium and 86 nickel, Which of the folflowing can…

A: Given % composition,  Iron = 74% Chromium = 18% Nickel = 8% Here, Iron has maximum percentage of…

Q: What must be present in an aqueous solution for it to conductan electric current? What general…

A: The aqueous solution conducts the electric current.

Q: What do the results of the litmus test tell us when reacted with magnesium, calcium, lithium,…

A: Litmus test:  If the given material is acidic, the blue litmus paper turns red. If the given…

Q: Why did the bulb light when NaCl is mixed with distilled water? Explain in terms of chemical…

A: When electrodes are placed in pure water/distilled water, the bulb does not produce light. This is…

Q: A yellow solid is either lead(II) chromate or sodium chromate. What would you do to tell which…

A: A solution can be defined as the mixture that consists of two components; solute and solvent. Here…

Q: Instead of using the electrolytic method, suggest an alternative method to determine the copper…

A: Extraction: It is the method used to obtain metal from its ore. The extraction of copper is done by…

Q: Account for the separation of aluminum ion from manganese ion, ferric ion, and cobalt ion. Write the…

A: All the mentioned cations are group III cations.  The cations Mn2+, Fe3+, Co2+, Ni2+, Zn2+, Al3+ and…