Homework Answers
11) c) oxidation is loss of electron and reduction is gain of electron
12) E )oxidation and corrosion are same because both involve the loss of electron.
13) E) oxidation can not occur without reduction
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11) Oxidation is the and reduction is the A) gain of oxygen, loss of electrons B)...
is that right? QUESTION 11 Oxidation in redox reactions involves a loss of electrons and an...
is that right?
QUESTION 11 Oxidation in redox reactions involves a loss of electrons and an increase in the oxidation number O a. a gain of electrons and an increase in the oxidation number b. a loss of electrons and a reduction in the oxidation number a gain of electrons and a decrease in the oxidation number d.
1. Reduction is: a. The simultaneous gain and loss of electrons b. The excitation of electrons...
1. Reduction is: a. The simultaneous gain and loss of electrons b. The excitation of electrons c. The loss of electrons d. The gain of electrons 2. Which of the following is the strongest reducing agent? You may use the table of standard cell potentials found on the data sheet. a. Ag+ b. Pb(s) c. I2 d. Cl− e. F2 3. ΔG = ΔG° − RTlnQ a. True b. False 4. In the following voltaic cell, the addition of SnCl2(aq)...
11. Which of the following is expected to be insoluble in water? A. Na2CO3 B. Fe(NO3)3...
11. Which of the following is expected to be insoluble in water? A. Na2CO3 B. Fe(NO3)3 C. KS04 D. AGNO3 E. ZnS 12. Which of the following has the lowest oxidation number? A. S in H2SO4 B. Cr in KiCrO4 C. Xe in XeFG D. Clin Ca(CIO3)2 E. Mn in KMnO4 13. Which of the following correctly defines "molarity"? A. mol solute/L solution B, mol solute/mL solvent C. mol solute/kg solvent D. mol solute/L solvent E. ky solute/mol solution 14....
19.) Oxidation always involves atoms or A) loss, gain, loss B) gain, loss, gain C) loss,...
19.) Oxidation always involves atoms or A) loss, gain, loss B) gain, loss, gain C) loss, loss, gain D) gain, gain, loss of electrons and may involve _ of oxygen of hydrogen atoms 20.) When an organic molecule loses hydrogen atoms it is said to be: A) reduced B) oxidized C) both oxidized and reduced D) neither oxidized nor reduced 21.) When a substance is oxidized, it is called a(n): A) oxidizing agent B) reducing agent c) both an oxidizing...
3. Write the electrochemical half-cell reactions for oxidation and reduction during uniform corrosion in the following:...
3. Write the electrochemical half-cell reactions for oxidation and reduction during uniform corrosion in the following: (Also indicate if corrosion is possible) a. Corrosion of Aluminum in air free sulfuric acid (i.e., No oxygen in the solution) b. Iron in air free acid ferric sulfate solution (assume no O2 in the solution) Hint Fe3+ to Fe reaction is possible due to the presence of the ferric ions c. Carbon steel in aerated seawater (With O2 in the solution) d. Zinc...
u n completion Status QUESTION 8 Oxidation in redox reactions involves a loss of electrons and...
u n completion Status QUESTION 8 Oxidation in redox reactions involves a loss of electrons and an increase in the oxidation number a. a gain of electrons and an increase in the oxidation number b. a loss of electrons and a reduction in the oxidation number a gain of electrons and a decrease in the oxidation number QUESTION 9 What is the molarity (M) of a solution formed by dissolving 3.00 moles of NaCl in enough water to yield 4.00...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrate Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrater Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
ovvoende dadation is the loss of electrons or the addition of om reduction) answers will vary...
ovvoende dadation is the loss of electrons or the addition of om reduction) answers will vary Oxid bur addition of hydrogen 2. Zn -- Zn2+ +2e oxidationi: *2e foxidation redox, reactions me KEY TAKEAWAYS reactions in which electrons are transferred are called oxidation-reduction, or redox,rea - Chemical reactions in which electro • Oxidation is the loss of electrons. Reduction is the gain of electrons. • Oxidation and reduction always occ equations tion and reduction always occur together, even though they...
28 You have a stock solution of 14.8 M NHs. How many milliliters of this solution...
28 You have a stock solution of 14.8 M NHs. How many milliliters of this solution should you dilute to make 100.0 mL of 0.250 M NH A) 0.0016 L B) 1.69 mL C) 1.69 x 10 mL D) 27.0 mL E) 0.037 mL 29. Oxidation number of P in PO is: A) +2 B) +4 C) +5 D) +6 E) +3 30. Oxidation is the and reduction is the A) Gain of oxygen, loss of electrons B) Loss of...
is that right?
QUESTION 11 Oxidation in redox reactions involves a loss of electrons and an increase in the oxidation number O a. a gain of electrons and an increase in the oxidation number b. a loss of electrons and a reduction in the oxidation number a gain of electrons and a decrease in the oxidation number d.
11. Which of the following is expected to be insoluble in water? A. Na2CO3 B. Fe(NO3)3 C. KS04 D. AGNO3 E. ZnS 12. Which of the following has the lowest oxidation number? A. S in H2SO4 B. Cr in KiCrO4 C. Xe in XeFG D. Clin Ca(CIO3)2 E. Mn in KMnO4 13. Which of the following correctly defines "molarity"? A. mol solute/L solution B, mol solute/mL solvent C. mol solute/kg solvent D. mol solute/L solvent E. ky solute/mol solution 14....
19.) Oxidation always involves atoms or A) loss, gain, loss B) gain, loss, gain C) loss, loss, gain D) gain, gain, loss of electrons and may involve _ of oxygen of hydrogen atoms 20.) When an organic molecule loses hydrogen atoms it is said to be: A) reduced B) oxidized C) both oxidized and reduced D) neither oxidized nor reduced 21.) When a substance is oxidized, it is called a(n): A) oxidizing agent B) reducing agent c) both an oxidizing...
3. Write the electrochemical half-cell reactions for oxidation and reduction during uniform corrosion in the following: (Also indicate if corrosion is possible) a. Corrosion of Aluminum in air free sulfuric acid (i.e., No oxygen in the solution) b. Iron in air free acid ferric sulfate solution (assume no O2 in the solution) Hint Fe3+ to Fe reaction is possible due to the presence of the ferric ions c. Carbon steel in aerated seawater (With O2 in the solution) d. Zinc...
u n completion Status QUESTION 8 Oxidation in redox reactions involves a loss of electrons and an increase in the oxidation number a. a gain of electrons and an increase in the oxidation number b. a loss of electrons and a reduction in the oxidation number a gain of electrons and a decrease in the oxidation number QUESTION 9 What is the molarity (M) of a solution formed by dissolving 3.00 moles of NaCl in enough water to yield 4.00...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrate Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrater Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
ovvoende dadation is the loss of electrons or the addition of om reduction) answers will vary Oxid bur addition of hydrogen 2. Zn -- Zn2+ +2e oxidationi: *2e foxidation redox, reactions me KEY TAKEAWAYS reactions in which electrons are transferred are called oxidation-reduction, or redox,rea - Chemical reactions in which electro • Oxidation is the loss of electrons. Reduction is the gain of electrons. • Oxidation and reduction always occ equations tion and reduction always occur together, even though they...
28 You have a stock solution of 14.8 M NHs. How many milliliters of this solution should you dilute to make 100.0 mL of 0.250 M NH A) 0.0016 L B) 1.69 mL C) 1.69 x 10 mL D) 27.0 mL E) 0.037 mL 29. Oxidation number of P in PO is: A) +2 B) +4 C) +5 D) +6 E) +3 30. Oxidation is the and reduction is the A) Gain of oxygen, loss of electrons B) Loss of...
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