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Problem: Which of the following are oxidation-reduction reactions?I. PCl3 + Cl2 → PCl5II. Cu + 2AgNO3 → Cu(NO3)2 + 2AgIII. CO2 + 2LiOH → Li2CO3 + H2OIV. FeCl2 + 2NaOH → Fe(OH)2 + 2NaClA. I, II, III, and IVB. I, II, and IIIC. IIID. I and IIE. IV

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Problem Details

Which of the following are oxidation-reduction reactions?

I. PCl3 + Cl2 → PCl5

II. Cu + 2AgNO3 → Cu(NO3)2 + 2Ag

III. CO2 + 2LiOH → Li2CO3 + H2O

IV. FeCl2 + 2NaOH → Fe(OH)2 + 2NaCl

A. I, II, III, and IV

B. I, II, and III

C. III

D. I and II

E. IV

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Based on our data, we think this problem is relevant for Professor Saiyed's class at AMARILLO.