Question
Asked Dec 2, 2019
179 views
How many electrons are transferred in the following reaction? (The reaction is unbalanced.)
Mg(s) + Al3+(aq)→Al(s) + Mg2+(aq)
check_circle

Expert Answer

Step 1

The given reaction is represented as follows:

help_outline

Image Transcriptionclose

Mg (s)+Al (aq) Al(s) + Mg (aq)

fullscreen
Step 2

To calculate the number of electrons transferred in the reaction, the species undergoing oxidation and reduction should be identified first as follows:

help_outline

Image Transcriptionclose

Increase in oxidation state by 2 (oxidation) Mg (s)+Al (aq)> Al(s)+Mg* (aq) Decrease in oxidation state by 3 (Reduction)

fullscreen
Step 3

According to the reaction, magnesium is getting oxidized by losing 2 electrons whereas aluminum is getting reduced by gaining 3 electrons. Thus, to balance the reaction the charges must be balanced.

Therefore, to bala...

help_outline

Image Transcriptionclose

3Mg (s)+2Al (aq)-»2A1(s)+3Mg (aq)

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Chp14-9(1)

A: Loss of electron oxidation gain of electron reduction.Oxidizing agent is get reduced and reducing ag...

question_answer

Q: 60. Both graphite and diamond burn. C(s, diamond)+O2(8) -CO2(8) For the conversion of graphite to di...

A: The given reaction for the conversion of graphite to diamond is as follows:

question_answer

Q: Selective synthesis and starting materials?

A: Reduction of alkynes with Lindlars’s catalyst gives cis alkene.  In this reaction, partial reduction...

question_answer

Q: On average, people use one teaspoon (2.5 g) of instant tea to make a 8-oz glass of ice tea. The aver...

A: 1 oz of iced tea contains 10 mg of caffeine.Therefore, 8 oz of iced tea contains 80 mg (0.08 g) of c...

question_answer

Q: Show the steps of synthesis (1st semester Orgo).

A: The conversion of one organic compound into others is done by different types of reaction, all these...

question_answer

Q: See the attached lewis structure and answer the following:   1.Predict the molecular shape of methan...

A: Based upon the given Lewis structure the molecular shape of each given molecule is determined as fol...

question_answer

Q: Calculate the equilibrium molarity of C2O4^2-

A: Given data:

question_answer

Q: Orgo help? thanks so much.

A: The given conversion can be done as follows :

question_answer

Q: If a room is 6 m long, 5 m wide, and 3 m high. how many milligrams of formaldehyde are present if th...

A: Solution stoichiometry involves the calculation of concentration of solutions in the given condition...