Questions from General Chemistry

Q: In each of the following reactions, identify which element is oxidized

In each of the following reactions, identify which element is oxidized and which is reduced. a. Zn(s) + 2HCl(aq) ZnCl2(aq) + H2( g) b. 2CuI(s) CuI2(s) + Cu(s) c....

Q: In each of the following reactions, identify which species is the

In each of the following reactions, identify which species is the oxidizing agent. a. 2Al(s) + 6HCl(aq) ( 2AlCl3(aq) + 3H2(g) b. Cu(s) + H2SO4(aq) ( CuSO4(aq) + H2(g)

Q: Carbon compounds containing double bonds (such compounds are called alkenes)

Carbon compounds containing double bonds (such compounds are called alkenes) react readily with many other reagents. In each of the following reactions, identify which atoms are oxidized and which are...

Q: Balance each of the following oxidation–reduction reactions by inspection.

Balance each of the following oxidation–reduction reactions by inspection. a. C3H8( g) + O2( g) / CO2( g) + H2O( g) b. CO( g) + H2( g) / CH3OH( l ) c. SnO2(s) + C(s) / Sn(s) + CO( g) d. C2H5OH( l...

Q: Balance each of the following oxidation–reduction reactions, which take

Balance each of the following oxidation–reduction reactions, which take place in acidic solution. a. MnO4-(aq) + H2O2(aq) / Mn2+(aq) + O2( g) b. BrO3-(aq) + Cu+(aq) / Br-(aq) + Cu2+(aq) c. HNO2(aq)...

Q: Explain why, although it is not an ionic compound, we

Explain why, although it is not an ionic compound, we still assign oxygen an oxidation state of -2 in water, H2O. Give an example of a compound in which oxygen is not in the -2 oxidation state.

Q: For each of the following oxidation–reduction reactions of metals with

For each of the following oxidation–reduction reactions of metals with nonmetals, identify which element is oxidized and which is reduced. a. 4Na(s) + O2( g) 2Na2O(s) b. Fe(s) + H2SO4(aq)...

Q: For each of the following oxidation–reduction reactions of metals with

For each of the following oxidation–reduction reactions of metals with nonmetals, identify which element is oxidized and which is reduced. a. 3Zn(s) + N2( g) Zn3N2(s) b. Co(s) + S(s)...

Q: Assign oxidation states to all of the atoms in each of the

Assign oxidation states to all of the atoms in each of the following: a. NH3 b. CO c. CO2 d. NF3

Q: Assign oxidation states to all of the atoms in each of the

Assign oxidation states to all of the atoms in each of the following: a. PBr3 b. C3H8 c. KMnO4 d. CH3COOH