This topic contains a solution. Click here to go to the answer

Author Question: The half-reaction occurring at the cathode in the balanced reaction shown below is ________. 3MnO4- ... (Read 204 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
The half-reaction occurring at the cathode in the balanced reaction shown below is ________. 3MnO4- (aq) + 24H+ (aq) + 5Fe (s)  3Mn2+ (aq) + 5Fe3+ (aq) + 12H2O (l)
 
  A) MnO4- (aq) + 8H+ (aq) + 5  Mn2+ (aq) + 4H2O (l)
  B) 2MnO4- (aq) + 12H+ (aq) + 6e-  2Mn2+ (aq) + 3H2O (l)
  C) Fe (s)  Fe3+ (aq) + 3e-
  D) Fe (s)  Fe2+ (aq) + 2e-
  E) Fe2+ (aq)  Fe3+ (aq) + e-

Question 2

When H2SO4 is neutralized by NaOH in aqueous solution, the net ionic equation is ________.
 
  A) SO42- (aq) + 2Na+ (aq)  Na2SO4 (aq)
  B) SO42- (aq) + 2Na+ (aq)  Na2SO4 (s)
  C) H+ (aq) + OH- (aq)  H2O (l)
  D) H2SO4 (aq) + 2OH- (aq)  2H2O (l) + SO42- (aq)
  E) 2H+ (aq) + 2NaOH (aq)  2H2O (l) + 2Na+ (aq)

Question 3

How many pairs of unpaired electrons are there in one molecule of dinitrogen monoxide?
 
  A) 4
  B) 3
  C) 5
  D) 2
  E) 1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hugthug12

  • Sr. Member
  • ****
  • Posts: 329
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




RODY.ELKHALIL

  • Member
  • Posts: 591
Reply 2 on: Aug 27, 2018
Wow, this really help


bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

For a complete list of videos, visit our video library