Electrolytic Cells
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CHXII03:ELECTROCHEMISTRY

330147 Which from following is NOT correct regarding electrolysis?

1 It helps in refining of metals.
2 Conversion of electrical energy into chemical energy takes place.
3 It is useful in electroplating.
4 Metal is deposited at anode.
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330148 Which of the following is not a strong electrolyte?

1 \({\rm{NaCl}}\)
2 \({\rm{KN}}{{\rm{O}}_{\rm{3}}}\)
3 \({\rm{N}}{{\rm{H}}_{\rm{4}}}{\rm{OH}}\)
4 \({\rm{FeS}}{{\rm{O}}_{\rm{4}}}\)
CHXII03:ELECTROCHEMISTRY

330149 The use of chrominum metal in electroplating is due to the following reason

1 Electrolysis of chromium salt is easier
2 Chromium forms alloys with other metals
3 Chromium forms a protective and decorative coating to the base metal.
4 High reactivity of chromium
CHXII03:ELECTROCHEMISTRY

330150 Which of the following condition is correct for operation of electrolytic cell?

1 \({\rm{\Delta G}}\,\,{\rm{ = }}\,\,{\rm{0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ = }}\,\,{\rm{0}}\)
2 \({\rm{\Delta G < 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
3 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ < }}\,\,{\rm{0}}\)
4 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
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CHXII03:ELECTROCHEMISTRY

330147 Which from following is NOT correct regarding electrolysis?

1 It helps in refining of metals.
2 Conversion of electrical energy into chemical energy takes place.
3 It is useful in electroplating.
4 Metal is deposited at anode.
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330148 Which of the following is not a strong electrolyte?

1 \({\rm{NaCl}}\)
2 \({\rm{KN}}{{\rm{O}}_{\rm{3}}}\)
3 \({\rm{N}}{{\rm{H}}_{\rm{4}}}{\rm{OH}}\)
4 \({\rm{FeS}}{{\rm{O}}_{\rm{4}}}\)
CHXII03:ELECTROCHEMISTRY

330149 The use of chrominum metal in electroplating is due to the following reason

1 Electrolysis of chromium salt is easier
2 Chromium forms alloys with other metals
3 Chromium forms a protective and decorative coating to the base metal.
4 High reactivity of chromium
CHXII03:ELECTROCHEMISTRY

330150 Which of the following condition is correct for operation of electrolytic cell?

1 \({\rm{\Delta G}}\,\,{\rm{ = }}\,\,{\rm{0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ = }}\,\,{\rm{0}}\)
2 \({\rm{\Delta G < 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
3 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ < }}\,\,{\rm{0}}\)
4 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
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CHXII03:ELECTROCHEMISTRY

330147 Which from following is NOT correct regarding electrolysis?

1 It helps in refining of metals.
2 Conversion of electrical energy into chemical energy takes place.
3 It is useful in electroplating.
4 Metal is deposited at anode.
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330148 Which of the following is not a strong electrolyte?

1 \({\rm{NaCl}}\)
2 \({\rm{KN}}{{\rm{O}}_{\rm{3}}}\)
3 \({\rm{N}}{{\rm{H}}_{\rm{4}}}{\rm{OH}}\)
4 \({\rm{FeS}}{{\rm{O}}_{\rm{4}}}\)
CHXII03:ELECTROCHEMISTRY

330149 The use of chrominum metal in electroplating is due to the following reason

1 Electrolysis of chromium salt is easier
2 Chromium forms alloys with other metals
3 Chromium forms a protective and decorative coating to the base metal.
4 High reactivity of chromium
CHXII03:ELECTROCHEMISTRY

330150 Which of the following condition is correct for operation of electrolytic cell?

1 \({\rm{\Delta G}}\,\,{\rm{ = }}\,\,{\rm{0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ = }}\,\,{\rm{0}}\)
2 \({\rm{\Delta G < 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
3 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ < }}\,\,{\rm{0}}\)
4 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
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CHXII03:ELECTROCHEMISTRY

330147 Which from following is NOT correct regarding electrolysis?

1 It helps in refining of metals.
2 Conversion of electrical energy into chemical energy takes place.
3 It is useful in electroplating.
4 Metal is deposited at anode.
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330148 Which of the following is not a strong electrolyte?

1 \({\rm{NaCl}}\)
2 \({\rm{KN}}{{\rm{O}}_{\rm{3}}}\)
3 \({\rm{N}}{{\rm{H}}_{\rm{4}}}{\rm{OH}}\)
4 \({\rm{FeS}}{{\rm{O}}_{\rm{4}}}\)
CHXII03:ELECTROCHEMISTRY

330149 The use of chrominum metal in electroplating is due to the following reason

1 Electrolysis of chromium salt is easier
2 Chromium forms alloys with other metals
3 Chromium forms a protective and decorative coating to the base metal.
4 High reactivity of chromium
CHXII03:ELECTROCHEMISTRY

330150 Which of the following condition is correct for operation of electrolytic cell?

1 \({\rm{\Delta G}}\,\,{\rm{ = }}\,\,{\rm{0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ = }}\,\,{\rm{0}}\)
2 \({\rm{\Delta G < 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
3 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ < }}\,\,{\rm{0}}\)
4 \({\rm{\Delta G > 0,}}\,\,{\rm{\Delta E}}\,\,{\rm{ > }}\,\,{\rm{0}}\)
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