1C. Effect of CatalystCatalytic materialto be testedCatalyst present(Yes or NO)TestObservationtube #ReferenceClear solution, No fizzing(plain H2O2)NO2KIfastevolutionVigorous fizzing,gas/bubblesofyesyesNOVigorous fizzing, Very fast evolution ofgas/bubbles3PbO2Copper wireNo Change, No fizzing, No bubbles5Fresh potatoModerate fizzing, slow bubbles evolutionyesyesBoiled potatoVery slow fizzing, Few bubblesWhich substance is the most catalytically active for H2O2 decomposition?Question 5. Arrange the five tested materials in order of increasing catalytic activity.Question 6. Explain for the difference in your observations between test tubes 5 and 6.

Redox reaction is a simultaneous reduction of one compound and oxidation of another compound.…

1C. Effect of Catalyst Catalytic material to be tested Observation Catalyst present (Yes or NO) Test tube # 1 Reference Clear solution, No fizzing NO |(plain H2O2) KI 2 fizzing, evolution Vigorous gas/bubbles fast of yes yes Vigorous fizzing, Very fast evolution of gas/bubbles PbO2 4 Copper wire No Change, No fizzing, No bubbles NO Fresh potato Moderate fizzing, slow bubbles evolution yes yes 6. Boiled potato Very slow fizzing, Few bubbles 3.

1C. Effect of Catalyst Catalytic material to be tested Observation Catalyst present (Yes or NO) Test tube # 1 Reference Clear solution, No fizzing NO |(plain H2O2) KI 2 fizzing, evolution Vigorous gas/bubbles fast of yes yes Vigorous fizzing, Very fast evolution of gas/bubbles PbO2 4 Copper wire No Change, No fizzing, No bubbles NO Fresh potato Moderate fizzing, slow bubbles evolution yes yes 6. Boiled potato Very slow fizzing, Few bubbles 3.

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...

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Question

1C. Effect of Catalyst
Catalytic material
to be tested
Catalyst present
(Yes or NO)
Test
Observation
tube #
Reference
Clear solution, No fizzing
(plain H2O2)
NO
2
KI
fast
evolution
Vigorous fizzing,
gas/bubbles
of
yes
yes
NO
Vigorous fizzing, Very fast evolution of
gas/bubbles
3
PbO2
Copper wire
No Change, No fizzing, No bubbles
5
Fresh potato
Moderate fizzing, slow bubbles evolution
yes
yes
Boiled potato
Very slow fizzing, Few bubbles
Which substance is the most catalytically active for H2O2 decomposition?
Question 5. Arrange the five tested materials in order of increasing catalytic activity.
Question 6. Explain for the difference in your observations between test tubes 5 and 6.

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