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iPad ??4:59 ?+ cvg.cengagenow.com ???? Bing Google Yahoo ???? Chegg.com ????-?????1? oWLv2 | Online teaching and learn... CH 18 ELECTROCHEM TEST Question 1 1 pt Use the References to access important values if needed for this question Question 2 Question 3 Question 4 Question 5 Enter electrons as e Use smallest possible integer coefficients If a box is not needed, leave it blank. 1 pt 1 pt 1 pt 7 pt 1 pt 1@ 1 pt Use the table 'Standard Reduction Potentials' located in the Tables, to predict if a reaction will occur when Mg metal is put into a 1M aqueous Ni2+ solution. Question 6 Question 9ene Question 9 Question 10 If a reaction wil occur, write a balanced net ionic equation for the reaction. If no reaction will occur, leave all boxes blank Question 11 1 pt Question 12 1 pt Submit Answer Try Another Version 9 item attempts remaining Question 14 Question 15 Question 16 Question 17 Question 18 1pt 1 pt 1 pt 1 pt Progress: 11/18 items Due Mar 26 at 11:55 PM PreviousNext Finish Assignment Email Instructor Save and Exit Cengage Learning |Cengage Technical SupportExplanation / Answer
ans
Mg2+(aq) + 2e- -> Mg(s) Eoreduction = -2.38
Ni2+(aq) + 2e- -> Ni(s) Eoreduction = -0.23
from the standard reduction values it can be seen that reduction potential of nickel is more so nickel undergoes reduction whereas magnesium undergoes oxidation .
Mg (s) + Ni2+(aq) -> Ni(s) + Mg2+(aq)
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