Problem 14
Assign oxidation numbers to the atoms in each substance. a) \(\mathrm{C}_{6} \mathrm{H}_{6}\) b) \(\mathrm{B}(\mathrm{OH})_{3}\) C) \(\mathrm{Li}_{2} \mathrm{~S}\) d) \(\mathrm{Au}\)
Problem 15
Identify what is being oxidized and reduced in this redox reaction by assigning oxidation numbers to the atoms. $$ 2 \mathrm{NO}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{NOCl} $$
Problem 16
Identify what is being oxidized and reduced in this redox reaction by assigning oxidation numbers to the atoms. $$ \mathrm{Sr}+\mathrm{SO}_{3} \rightarrow \mathrm{SrSO}_{3} $$
Problem 17
Identify what is being oxidized and reduced in this redox reaction by assigning oxidation numbers to the atoms. $$ 2 \mathrm{KrF}_{2}+2 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{Kr}+4 \mathrm{HF}+\mathrm{O}_{2} $$
Problem 18
Identify what is being oxidized and reduced in this redox reaction by assigning oxidation numbers to the atoms. $$ \mathrm{SO}_{3}+\mathrm{SCl}_{2} \rightarrow \mathrm{SOCl}_{2}+\mathrm{SO}_{2} $$
Problem 18
What would be overall reaction for a fuel cell that uses gasoline (general formula \(\mathrm{C}_{8} \mathrm{H}_{18}\) ) as the fuel?
Problem 19
When NaCl undergoes electrolysis, sodium appears at the cathode. Is the definition of cathode the same for an electrolytic cell as it is for a voltaic cell?
Problem 19
Identify what is being oxidized and reduced in this redox reaction by assigning oxidation numbers to the atoms. $$ 2 \mathrm{Rb}+\mathrm{MgCl}_{2} \rightarrow 2 \mathrm{RbCl}+\mathrm{Mg} $$
Problem 20
Identify what is being oxidized and reduced in this redox reaction by assigning oxidation numbers to the atoms. $$ 2 \mathrm{C}_{8} \mathrm{H}_{18}+25 \mathrm{O}_{2} \rightarrow 16 \mathrm{CO}_{2}+18 \mathrm{H}_{2} \mathrm{O} $$
Problem 20
When NaCl undergoes electrolysis, chlorine appears at the anode. Is the definition of anode the same for an electrolytic cell as it is for a voltaic cell?
