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(a)
Interpretation:
For the given pairs - reducing agent and gain of electrons, whether the concepts of pairing are correct or not have to be indicated.
Concept Introduction:
Reducing agent:
The substance which is getting oxidized in
Example:
Consider the reaction:
Oxidation No of
Oxidation No of
Oxidation No of Nitrogen in
Oxidation No of Hydrogen in
Hence
(b)
Interpretation
For the given pairs – substance oxidized and loses of electrons, whether the concepts of pairing are correct or not has to be indicated.
Concept Introduction:
Oxidation
Loss of electrons from an atom ion or molecule during a
Example:
Here
Oxidizing agent
Oxidizing agent will gain electrons but itself will get reduced in the reaction. Oxygen, Hydrogen peroxide are good oxidizing agent
Example:
Consider the reaction:
Oxidation No of
Oxidation No of
Oxidation No of Nitrogen in
Oxidation No of Hydrogen in
(c)
Interpretation
For the given pairs – oxidizing agent and increase in oxidation number, whether the concept of pairing is correct or not has to be indicated.
Concept Introduction:
Oxidation:
Loss of electrons from an atom ion or molecule during a chemical reaction is known as oxidation. Oxidation state of atom ion or molecule will increase in this process. In simple it is the addition of oxygen. Reduction is gaining of electrons.
Example
Here
Oxidizing agent
Oxidizing agent will gain electrons but itself will get reduced in the reaction.
Oxygen, Hydrogen peroxide are good oxidizing agent.
Example:
Consider the reaction:
Oxidation No of
Oxidation No of
Oxidation No of Nitrogen in
Oxidation No of Hydrogen in
(d)
Interpretation
For the given pairs – oxidizing agent and substance oxidized, whether the concepts of pairing are correct or not has to be indicated.
Concept Introduction:
Oxidation
Loss of electrons from an atom ion or molecule during a chemical reaction is known as oxidation. Oxidation state of atom ion or molecule will increase in this process. In simple it is the addition of oxygen. Reduction is gaining of electrons.
Example
Here
Oxidizing agent
Oxidizing agent will gain electrons but itself will get reduced in the reaction. Oxygen, Hydrogen peroxide are good oxidizing agent
Example:
Consider the reaction:
Oxidation No of
Oxidation No of
Oxidation No of Nitrogen in
Oxidation No of Hydrogen in
Oxidation No of
Oxidation No of
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Chapter 9 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Define the following terms: a. adenosine triphosphate b. redox reaction c. oxidizing agent d. reducing agent e. NADHarrow_forwardDuring cell respiration, what happens to the strength of the bonds between atoms in glucose vs those in the products water and carbon dioxide? Choose all answers that are correct. a. the carbon-hydrogen bonds in glucose are stronger than the carbon-oxygen bonds in carbon dioxide b. an oxidizing agent c.the carbon-hydrogen bonds in glucose are weaker than the carbon-oxygen bonds in carbon dioxide d.the carbon-hydrogen bonds in glucose are weaker than the oxygen-hydrogen bonds in water e.the carbon-hydrogen bonds in glucose are stronger than the oxygen-hydrogen bonds in waterarrow_forwardWhich of the followingdescribe superior properties of enzymes (biological catalysts) over traditional chemical catalysts? a. They are mostly and generally operative under mild temperature, pressure, and pH conditions b. They are regulated only by substrate concentration c. They do not effect the reaction equilibrium, but lower the reaction's activation energy d. They are recycled at the end of the reaction Choose all that applyarrow_forward
- Which of the following compounds would you expect to liberate the least free energy when hydrolyzed? Explain. a. ATP b. ADP c. AMP d. phosphoenolpyruvate e. phosphocreatinearrow_forwardIn the formula below, which component is in the oxidized state? H2 + F2 --> 2H* + 2F (Apologies for the lack of subscripts and superscripts in the answer choices - they don't display in the published quiz.) a. H2 b. F2 с. 2H+ d. 2F H2 O F2 O 2H+ 2F-arrow_forwardWhat terms would best describe the above coupled reaction?A. it is non-spontaneous and endothermic (because the overall Go is positive)B. it is spontaneous and exothermic (because the overall Go is positive)C. it is non-spontaneous and exothermic (because the overall Go is positive)D. it is spontaneous and exothermic (because the overall Go is negative)E. it is non-spontaneous and endothermic (because the overall Go is negative)arrow_forward
- Which of the following statements concerning ATP is true? a. The free energy value for the hydrolysis of ATP is nearly the same for ADP. b. The free energy value for the hydrolysis of ATP is greater than that for ADP. c. ATP hydrolysis is more likely at pH 5 than at pH 7. d. One mole of glycerate-1,3-bisphosphate can phosphorylate one mole of AMP to yield ATP.arrow_forwardThe ionization of a sodium atom to produceNa+ is an example ofa. oxidation.b. reduction.c. catabolism.d. anabolism.e. decompositionarrow_forwardIdentify the statements that are TRUE regarding Catabolic reactions. SELECT ALL THAT APPLY A. These reactions may also be called decomposition reactions B. These reactions create smaller products from larger reactants C. These reactions involve the formation of new bonds. D. These reactions typically release energy.arrow_forward
- Mark the following statements as true or false. If a statement is false, correct it to make a true statement. a. During an oxidation-reduction reaction, the compound with the greatest electron affinity accepts electrons and is oxidized. b. The electromotive force is generated by the flow of electrons from one substance that is oxidized to another substance that is reduced. c. NAD+ and FAD are electron carriers in the cell. d. ATP is the “money” that the cell uses to “pay for” the cell’s exergonic reaction.arrow_forwardIn order for the reaction rate to rise the activation energy should be Select one: O O O O a. decreased b. increased c. decreased or increased d. not changed Riboflavin gives rise to cofactors:arrow_forwardWhen K > 1, which of the following statements is/are definitely TRUE? I. Products are favored II. ΔG for the reaction is positive III. kfwd > krev IV. the reaction is exothermicarrow_forward
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