Part A: What color will litmus paper turn if placed in a solution of oxalic acid?   Part B: What will happen to the color of the litmus paper as potassium hydroxide is added to the oxalic acid solution?

Q: A 35.0 mL solution of NaOH is neutralized with 23.4 mL of 0.250 M HCl. What is the concentration of…

A: Solution C1V1= C2V2 where,  C1, C2 - concentrations V1, V2 - volumes Given, C1= 0.250 M V1= 35 ml,…

Q: EXPLAIN OXIDISING AND REDUCING AGENTS

A: Oxidizing agent : Species in the redox reaction which itself is undergoing reduction. Oxidation…

Q: Why must every redox reaction involve an oxidizing agentand a reducing agent?

A: Substance that is capable to oxidize another species and in turn itself gets reduced is called…

Q: Explain how a redox reaction involves electrons in the same way that a neutralization reaction…

A:

Q: What color was the solution after mixing potassium oxalate and iron (III) chloride?

A: The molecular formula of potassium oxalate monohydrate is K2C2O4. H2O  The molecular formula of iron…

Q: Give examples of indicators used in redox titrations.

A: Indicators - the substance which indicates the  change in chemical substance in terms of pH values…

Q: Write the net ionic equation for Ammonia solution and sulfuric acid

A: The net ionic equation is a chemical equation for a reaction that lists only those species…

Q: What volume of 0.0200 M calcium hydroxide is required to neutralize 35.00 mL of 0.0500 M nitric…

A: Calcium hydroxide is a base that reacts with nitric acid to form a salt of calcium nitrate and…

Q: 1. What is oxidation? 2. What is reduction? 3. Electron-accepting species which tend to undergo a…

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

Q: Strips of copper foil and magnesium ribbon were cleaned with sandpaper and then connected as shown…

A: SOLUTION: Step 1: Hello. Since the question has multiple sub-parts, the first three parts are…

Q: What is an oxidation–reduction reaction? Give an example.

A: In an oxidation reaction, electrons are lost by the substance. Also when the oxidation number of a…

Q: Acids turn blue litmus paper red. Does the red litmus paper change color with acids? acid

A: If red litmus paper is used -> then if basic medium present then colour change to blue but if…

Q: Which of the statements below best describe a reduction reaction? c. the removal of hydroger a. the…

A: Which of the statements best describe reduction reaction ?

Q: oxalic acid C H2C2O4

A: Oxalic Acid  H2C2O4  OXidation State  H C  O  +1 +3 -2

Q: What does the reducing agent do in a redox reaction?

A: Reducing agent is the substance that donates electron to an electron acceptor in the reaction.

Q: 6. Unknowns 1 and 2 exhibited two different shades when the Benedict's solution was added. What…

A: Benedict's solution :

Q: Calculate the pH of 1.0×104M solution of HNO3. (Round to whole number).

A: Given : We have to calculate the pH of solution.

Q: When blue litmus paper turns red, the substance being tested is acidic basic

A: Explained as follows

Q: What volume of a 0.337 M hydrobromic acid solution is required to neutralize 12.3 mL of a 0.190 M…

A: Since the reaction is  HBr + NaOH ----> NaBr + H2O Hence 1 moles of NaOH will need 1 moles of HBr…

Q: Suppose that 4 g of solid Fe2O3 is added to 25 mL of 0.5 M HClsolution.   What mass of Fe2O3 will…

A: Reaction of Fe2O3 with HCl take place as  Fe2O3  + 6HCl  ----->  2FeCl3   + 3H2O Given mass of…

Q: A 25.0 mL sample of an electroplating solution is analyzed for its sulfuric acid H₂SO₄…

A: The equation to calculate the unknown values from known values is given by M1V1=M2V2 where M is the…

Q: HCI forms a strong electrolyte in an aqueous solution. True False

A: 20) Strong and weak electrolytes a) Strong electrolytes: Strong electrolytes are the substances…

Q: What are the indicators used in redox titrations?

A: Titration is a laboratory quantitative technique in chemistry that is used to determine the…

Q: a. Tl(s)|Tl*(aq) || Sn²+(aq) | Sn(s) b. Zn(s)|Zn²*(aq) || Fe3+(aq), Fe²*(aq) | Pt c. Cd(s)|…

A: Since your question has multiple sub-parts, we will answer the first three sub-parts for you. If you…

Q: What volume of 1.25 M Hydrochloric acid is required to neutralize 37.5 ml of 0.55 M Potassium…

A:

Q: Which species served as the oxidizing agent? The reducing agent?

A:

Q: In an acid-base neutralization reaction, 28.74 mL of 0.500 M potassium hydroxide reacts with 50.00…

A: Molarity of potassium hydroxide = 0.500 M Volume of potassium hydroxide = 28.74mL  = ( 28.74 / 1000…

Q: sets the oxidation numbers P+5HNO3~H3PO4+5NO2+H2O

A: Oxidation state or number is number of electrons gain or lose by compound/ element. . Total charge…

Q: What is displacement redox reaction? Give an example.

A: In redox reactions, oxidation and reduction both takes place.  A reaction in which oxidation number…

Q: What is an oxidation–reduction reaction? Provide an example.

A: In an oxidation reaction, electrons are lost by the substance. Also when the oxidation number of a…

Q: for assigning Oxidation States ) idation numbers of the atoms in a neutral molecule must a I→+1 ;…

A: A option is correct. Al is oxidized and H is reduced.

Q: In, Cr+6  -->  Cr+3, the ion in the reactant side will _______, and will undergo _______. Also it is…

A: Given, In, Cr+6  -->  Cr+3, the ion in the reactant side will _______, and will undergo _______.…

Q: Differentiate reducing agent and oxidizing agent.

A: Given reducing agent and oxidizing agent We need to write difference between reducing agent and…

Q: 15. Oxidizing agent of reaction in acidic Cr,03 (aq) +1 (aq) Cr3+ (aq) + I2(s)

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: Calculate the volume of 0.828 M HNO3 that can be neutralized by 55.6 mL of a 1.57 M KOH solution.…

A: The Neutralization reaction between HNO3 and KOH HNO3 + KOH → KNO3 + H2O From this Balanced chemical…

Q: Write a total ionic and net ionic equation for the following reaction between Pb2+ and HCl.

A: The reactants given are 1) Pb2+ (aq) ion  2) HCl (aq) acid. Since the product forming will be PbCl2…

Q: Mg + 2HCI → MgCl2 + H2 a. Oxidizing agent: b. Reducing agent: c. Oxidized: d. Reduced: e. Oxidation…

A: When oxidation no is increased then it is called oxidation and when the oxidation no is decreased…

Q: Is this reaction a redox reaction?

A: Oxidation is a process where the oxidation number of the element increases whereas in reduction the…

Q: Write the net equation of a solution of hydrobromic acid mixing with barium hydroxide?

A: The reactants given are  1) An acid i.e hydrobromic acid, HBr 2) A base i.e barium hydroxide,…

Q: Write a brief introduction about oxidation–reduction and double displacement.

A:

Q: The proper assignment of oxidation numbers to the elements in the polyatomic ion SO32- would be…

A: In sulfite ion SO32-, the oxidation state of the oxygen atom is -2. Oxidation number of element in…

Q: Which indicators are used in redox titrations?

A: Redox Indicator - Redox indicator is defined as a compound that indicates that reaction titration is…

Q: A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the molar…

A: The w/w percent concentration of the solution is = 12.5 % The density of the solution is = 1.149…

Q: Write the balanced equation for the reaction between hydrochloric acid solution and sodium hydroxide…

A: Write the balanced equation for the reaction between hydrochloric acidsolution and sodium hydroxide…

Q: а. b. он En он HCI A + En с. d. он + En

A: SN1 reaction  Anti dihydroxylation  Multistep synthesis of alkyl halide Williamson Ether synthesis

Q: If a patient suffering from a duodenal ulcer displays a hydrochloric acid (HCI), concentration of…

A: