1. Write balanced net ionic equations to explain the observations in the options assigned by your instructor. (All reactions are oxidation-reduction.) See the protocol on page 192. a) Option E
1. Write balanced net ionic equations to explain the observations in the options assigned by your instructor. (All reactions are oxidation-reduction.) See the protocol on page 192. a) Option E
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.7QAP
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Question
![1. Write balanced net ionic equations to explain the observations in the options assigned by
your instructor. (All reactions are oxidation-reduction.) See the protocol on page 192.
a) Option E
Cues
b) Option F](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1105d6c6-0de2-4d8b-8a94-e6a54edf7006%2Fbdd61175-68e7-4571-acc6-5289c83be551%2Flpu8q2g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Write balanced net ionic equations to explain the observations in the options assigned by
your instructor. (All reactions are oxidation-reduction.) See the protocol on page 192.
a) Option E
Cues
b) Option F
![OPTIONS
1.
A. Some aqueous iron(II) sulfate is treated with granulated (solid) zinc.
B. A piece of aluminum metal appears to dissolve in hydrochloric acid solution with
evolution of gas bubbles
gas.
C. Hot iron wire appears to "burn" when placed in a flask containing ONLY chlorine
D. When aqueous potassium dichromate is added to an acidic solution of iron(II)
sulfate, the orange color of the potassium dichromate solution changes to blue or blue-green,
indicating the formation of Cr³+
E. Copper wire dissolves in concentrated nitric acid evolving nitrogen oxide gas.
F. In areas where there is a high content of manganese (Mn2+) in tap water, a brown
deposit of manganese(IV) oxide will often appear on porcelain after the water in the
porcelain has been exposed to air for several days (HINT: Think about the major
components of air.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1105d6c6-0de2-4d8b-8a94-e6a54edf7006%2Fbdd61175-68e7-4571-acc6-5289c83be551%2Ftq2lc6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:OPTIONS
1.
A. Some aqueous iron(II) sulfate is treated with granulated (solid) zinc.
B. A piece of aluminum metal appears to dissolve in hydrochloric acid solution with
evolution of gas bubbles
gas.
C. Hot iron wire appears to "burn" when placed in a flask containing ONLY chlorine
D. When aqueous potassium dichromate is added to an acidic solution of iron(II)
sulfate, the orange color of the potassium dichromate solution changes to blue or blue-green,
indicating the formation of Cr³+
E. Copper wire dissolves in concentrated nitric acid evolving nitrogen oxide gas.
F. In areas where there is a high content of manganese (Mn2+) in tap water, a brown
deposit of manganese(IV) oxide will often appear on porcelain after the water in the
porcelain has been exposed to air for several days (HINT: Think about the major
components of air.)
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