1 |
Cell potential depends upon |
- A. Temperature
- B. Concentration of ions
- C. Nature of electrolyte
- D. All of above
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2 |
According to classical concept, oxidation involves |
- A. Addition of oxygen
- B. Addition of electron
- C. Removal of hydrogen
- D. All are correct
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3 |
The electrode reaction of a voltaic cell can be reversed when |
- A. Concentrations of solutions are changed
- B. Temperature is increased
- C. Electrodes are interchanged
- D. Electric circuit is employed to supply the source of electricity
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4 |
Which statements not correct about Galvanic cell. |
- A. Anode in negatively charge
- B. Reduction occur at anode
- C. Cathode is positively charged
- D. Reduction occur at cathode
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5 |
In electrolysis of aqueous NaCl, Cl-ions are. |
- A. Oxidized at anode
- B. Oxidized at cathode
- C. Reduced at cathode
- D. Neither oxidized nor reduced
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6 |
Oxidation number of phosphorus in the compound is. |
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7 |
Which has greater reduction potential |
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8 |
The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as. |
- A. Voltaic cell
- B. Denial cell
- C. dry Cell
- D. Electrolytic cell
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9 |
In silver oxide battery, the cathode is mad up of. |
- A. AgO
- B. Ag2O
- C. Ag2O3
- D. Ag
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10 |
In Daniel cell, if salt bridge is removed between the two half cells, the voltage. |
- A. Drops to zero
- B. Does not changes
- C. Increases gradually
- D. Increases rapidly
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