jackandryansis8572
29.06.2019 •
Chemistry
Which of the following statements about cycloaddition reactions is not true? multiple choice the course of the reaction is determined by the symmetry of the molecular orbitals of the products. cycloaddition reactions are concerted. cycloaddition reactions form a cyclic product with two new s bonds. cycloaddition reactions are stereospecific.
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Ответ:
1.52V
Explanation:
Oxidation half equation:
2Al(s)−→2Al^3+(aq) + 6e
Reduction half equation
3Sn2^+(aq) + 6e−→3Sn(s)
E°cell= E°cathode - E°anode
E°cathode= −0.140 V
E°anode= −1.66 V
E°cell=-0.140-(-1.66)
E°cell= 1.52V