Hi, can you write which is oxidation and which reduction with equation for Fe/Sn, Fe/Zn, Fe/Al, Fe/Cu. In addition, can you draw a arrow on STANDARD ELECTRODE POTENTIALS AND REDOX EQUILIBRIA IN AQUEOUS SOLUTION AT 25°C of up and down of which is oxidation and which reduction?
Hi, can you write which is oxidation and which reduction with equation for Fe/Sn, Fe/Zn, Fe/Al, Fe/Cu. In addition, can you draw a arrow on STANDARD ELECTRODE POTENTIALS AND REDOX EQUILIBRIA IN AQUEOUS SOLUTION AT 25°C of up and down of which is oxidation and which reduction?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
Hi, can you write which is oxidation and which reduction with equation for Fe/Sn, Fe/Zn, Fe/Al, Fe/Cu. In addition, can you draw a arrow on STANDARD ELECTRODE POTENTIALS AND REDOX EQUILIBRIA IN AQUEOUS SOLUTION AT 25°C of up and down of which is oxidation and which reduction?
![On the diagram below sketch the regions where colour has developed and what colour cach region is for each test tube.
Method
Part A - Corrosion
A1 - Preparation of Agar Gel [Student 1 does this WHILE STUDENT 2 IS DOING PART A2]
1.
On separate watch glasses weigh 0.8 g of agar and 5.0 g of NaCl using top loading balances.
Thoroughly rinse a 10 mL measuring cylinder and two tall, narrow test tubes. Use the measuring cylinder to dispense 2
mL of phenolphthalein solution into one test tube and 1 mL 0.1 M potassium hexacyanoferrate(III) [K,Fe(CN),] into
the other test tube, ready for step 7 below.
2.
3.
Wash a 250 mL beaker with a little detergent and rinse well before use.
Get a Bunsen burner, wire gauze and heat-proof mat and heat to boiling about 100 mL of demineralised water in the
cleaned 250 mL beaker. (Remember: the gas tap is yellow.)
4.
iron nail
iron + tin
iron + zinc
iron + aluminium
iron + copper
Hint: there is no blue colour in the iron + zinc and iron +
There's blue colour here.
5.
Move the Bunsen aside, add the agar to the water, and then resume heating with stirring until the agar has completely
aluminium test tubes (and the pink colour is around the
iron nail in these test tubes).
dissolved.
6.
Turn off the Bunsen and add the NaCl to the hot solution and stir until it dissolves.
Each test tube contains agar gel with phenolphthalein and potassium ferricyanide
Use your observations to complete the following table. The first line has been completed to show you what is required.
7.
Add 2 mL phenolphthalein indicator and 1 mL 0.1 M potassium hexacyanoferrate(III) [K3Fe(CN)6] (from step 2), stir
the solution wellI. The mixture should be yellow, not pink, green, blue, or colourless. Consult your demonstrator if the
mixture is not yellow. Allow the mixture to cool to room temperature before proceeding to part A3. The solution you
have prepared will give a blue colour with Fe2+ (ferrous) ions and a pink colour with OH (hydroxyl) ions.
A2 – Cleaning the Iron Nails [Student 2 does this WHILE STUDENT 1 IS DOING PART A1]
8.
Place 5 iron nails into one test-tube containing 15 mL of 2 M H,So, for about 2 minutes.
Get a Bunsen burner, wire gauze and heat-proof mat. Boil about 50 mL of water in a 250 mL beaker, decant (pour off)
the acid from the nails in the previous step, rinse them several times with tap water and then carefullly add them to the
boiling water. After 1 minute (no longer!) turn off the bunsen. Remove the nails one at a time as required, using tongs.
9.
10. Rinse five regular test tubes several times each with water. Label them 1–5. In tube 1 place one of the cleaned nails. In
tubes 2-5 you will place a cleaned nail wrapped in a piece of metal (as described below), and it is important that the
piece of metal fits tightly around the nail.
11. Using a fresh nail (NOT ONE CLEANED IN THE STEPS ABOVE) and a hammer, punch a hole in a piece of tin foil
and then insert one of the cleaned nails through the hole, making sure there is good contact between the nail and tin.
12. In a similar manner, punch holes in pieces of zinc foil, aluminium foil and copper foil and inscrt a cleaned nail into the
holes. Place each nail+metal into the appropriate labeled test tube (tubes 2–5).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fab91d1b5-ede7-48e5-a83f-e0cd561bedca%2Fbf76756e-09d8-46ca-8f67-86b2d7584184%2F2onwmq_processed.png&w=3840&q=75)
Transcribed Image Text:On the diagram below sketch the regions where colour has developed and what colour cach region is for each test tube.
Method
Part A - Corrosion
A1 - Preparation of Agar Gel [Student 1 does this WHILE STUDENT 2 IS DOING PART A2]
1.
On separate watch glasses weigh 0.8 g of agar and 5.0 g of NaCl using top loading balances.
Thoroughly rinse a 10 mL measuring cylinder and two tall, narrow test tubes. Use the measuring cylinder to dispense 2
mL of phenolphthalein solution into one test tube and 1 mL 0.1 M potassium hexacyanoferrate(III) [K,Fe(CN),] into
the other test tube, ready for step 7 below.
2.
3.
Wash a 250 mL beaker with a little detergent and rinse well before use.
Get a Bunsen burner, wire gauze and heat-proof mat and heat to boiling about 100 mL of demineralised water in the
cleaned 250 mL beaker. (Remember: the gas tap is yellow.)
4.
iron nail
iron + tin
iron + zinc
iron + aluminium
iron + copper
Hint: there is no blue colour in the iron + zinc and iron +
There's blue colour here.
5.
Move the Bunsen aside, add the agar to the water, and then resume heating with stirring until the agar has completely
aluminium test tubes (and the pink colour is around the
iron nail in these test tubes).
dissolved.
6.
Turn off the Bunsen and add the NaCl to the hot solution and stir until it dissolves.
Each test tube contains agar gel with phenolphthalein and potassium ferricyanide
Use your observations to complete the following table. The first line has been completed to show you what is required.
7.
Add 2 mL phenolphthalein indicator and 1 mL 0.1 M potassium hexacyanoferrate(III) [K3Fe(CN)6] (from step 2), stir
the solution wellI. The mixture should be yellow, not pink, green, blue, or colourless. Consult your demonstrator if the
mixture is not yellow. Allow the mixture to cool to room temperature before proceeding to part A3. The solution you
have prepared will give a blue colour with Fe2+ (ferrous) ions and a pink colour with OH (hydroxyl) ions.
A2 – Cleaning the Iron Nails [Student 2 does this WHILE STUDENT 1 IS DOING PART A1]
8.
Place 5 iron nails into one test-tube containing 15 mL of 2 M H,So, for about 2 minutes.
Get a Bunsen burner, wire gauze and heat-proof mat. Boil about 50 mL of water in a 250 mL beaker, decant (pour off)
the acid from the nails in the previous step, rinse them several times with tap water and then carefullly add them to the
boiling water. After 1 minute (no longer!) turn off the bunsen. Remove the nails one at a time as required, using tongs.
9.
10. Rinse five regular test tubes several times each with water. Label them 1–5. In tube 1 place one of the cleaned nails. In
tubes 2-5 you will place a cleaned nail wrapped in a piece of metal (as described below), and it is important that the
piece of metal fits tightly around the nail.
11. Using a fresh nail (NOT ONE CLEANED IN THE STEPS ABOVE) and a hammer, punch a hole in a piece of tin foil
and then insert one of the cleaned nails through the hole, making sure there is good contact between the nail and tin.
12. In a similar manner, punch holes in pieces of zinc foil, aluminium foil and copper foil and inscrt a cleaned nail into the
holes. Place each nail+metal into the appropriate labeled test tube (tubes 2–5).
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 4 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY