Electrolytic Cells
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CHXII03:ELECTROCHEMISTRY

330160 A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?

1 63.5 g
2 15.9 g
3 12.7 g
4 31.8 g
CHXII03:ELECTROCHEMISTRY

330161 During the preparation of \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) (per disulphuric acid) \({{\rm{O}}_{\rm{2}}}\) gas is also released at anode as byproduct. When 9.72 L of \({{\rm{H}}_{\rm{2}}}\) releases at cathode and 2.35 L \({{\rm{O}}_{\rm{2}}}\) at anode, the weight \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) produced in gram is

1 51.74
2 87.12
3 43.65
4 83.42
CHXII03:ELECTROCHEMISTRY

330162 What is the number of electrons passed through an electrolyte solution when 1 ampere current is passed for 16.1 minutes?

1 \(5.022 \times 10^{24}\)
2 \(3.011 \times 10^{22}\)
3 \(6.022 \times 10^{21}\)
4 \(2.022 \times 10^{23}\)
CHXII03:ELECTROCHEMISTRY

330163 How many electrons flow when a current of 5 amperes is passed through a conductor for 200 seconds?

1 \(6.241 \times 10^{21}\)
2 \(6.0241 \times 10^{21}\)
3 \(6.241 \times 10^{22}\)
4 \(6.0241 \times 10^{22}\)
CHXII03:ELECTROCHEMISTRY

330160 A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?

1 63.5 g
2 15.9 g
3 12.7 g
4 31.8 g
CHXII03:ELECTROCHEMISTRY

330161 During the preparation of \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) (per disulphuric acid) \({{\rm{O}}_{\rm{2}}}\) gas is also released at anode as byproduct. When 9.72 L of \({{\rm{H}}_{\rm{2}}}\) releases at cathode and 2.35 L \({{\rm{O}}_{\rm{2}}}\) at anode, the weight \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) produced in gram is

1 51.74
2 87.12
3 43.65
4 83.42
CHXII03:ELECTROCHEMISTRY

330162 What is the number of electrons passed through an electrolyte solution when 1 ampere current is passed for 16.1 minutes?

1 \(5.022 \times 10^{24}\)
2 \(3.011 \times 10^{22}\)
3 \(6.022 \times 10^{21}\)
4 \(2.022 \times 10^{23}\)
CHXII03:ELECTROCHEMISTRY

330163 How many electrons flow when a current of 5 amperes is passed through a conductor for 200 seconds?

1 \(6.241 \times 10^{21}\)
2 \(6.0241 \times 10^{21}\)
3 \(6.241 \times 10^{22}\)
4 \(6.0241 \times 10^{22}\)
CHXII03:ELECTROCHEMISTRY

330160 A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?

1 63.5 g
2 15.9 g
3 12.7 g
4 31.8 g
CHXII03:ELECTROCHEMISTRY

330161 During the preparation of \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) (per disulphuric acid) \({{\rm{O}}_{\rm{2}}}\) gas is also released at anode as byproduct. When 9.72 L of \({{\rm{H}}_{\rm{2}}}\) releases at cathode and 2.35 L \({{\rm{O}}_{\rm{2}}}\) at anode, the weight \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) produced in gram is

1 51.74
2 87.12
3 43.65
4 83.42
CHXII03:ELECTROCHEMISTRY

330162 What is the number of electrons passed through an electrolyte solution when 1 ampere current is passed for 16.1 minutes?

1 \(5.022 \times 10^{24}\)
2 \(3.011 \times 10^{22}\)
3 \(6.022 \times 10^{21}\)
4 \(2.022 \times 10^{23}\)
CHXII03:ELECTROCHEMISTRY

330163 How many electrons flow when a current of 5 amperes is passed through a conductor for 200 seconds?

1 \(6.241 \times 10^{21}\)
2 \(6.0241 \times 10^{21}\)
3 \(6.241 \times 10^{22}\)
4 \(6.0241 \times 10^{22}\)
CHXII03:ELECTROCHEMISTRY

330160 A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?

1 63.5 g
2 15.9 g
3 12.7 g
4 31.8 g
CHXII03:ELECTROCHEMISTRY

330161 During the preparation of \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) (per disulphuric acid) \({{\rm{O}}_{\rm{2}}}\) gas is also released at anode as byproduct. When 9.72 L of \({{\rm{H}}_{\rm{2}}}\) releases at cathode and 2.35 L \({{\rm{O}}_{\rm{2}}}\) at anode, the weight \({{\rm{H}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{8}}}\) produced in gram is

1 51.74
2 87.12
3 43.65
4 83.42
CHXII03:ELECTROCHEMISTRY

330162 What is the number of electrons passed through an electrolyte solution when 1 ampere current is passed for 16.1 minutes?

1 \(5.022 \times 10^{24}\)
2 \(3.011 \times 10^{22}\)
3 \(6.022 \times 10^{21}\)
4 \(2.022 \times 10^{23}\)
CHXII03:ELECTROCHEMISTRY

330163 How many electrons flow when a current of 5 amperes is passed through a conductor for 200 seconds?

1 \(6.241 \times 10^{21}\)
2 \(6.0241 \times 10^{21}\)
3 \(6.241 \times 10^{22}\)
4 \(6.0241 \times 10^{22}\)