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AAKASH SERIES-ELECTROCHEMISTRY -OBJECTIVE EXERCISE - 1 ( Electrode potentials and EMF)
- The metal that cannot displace hydrogen from dilute hydrochloric acid ...
01:41
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- The following are some statements about normal hydrogen electrode ...
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- A standard hydrogen electrode has zero electrode potential because
01:25
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- Which defines the standard reduction electrode potential of Zn^(2+) io...
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- The reference electrode is made by using
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- The more electro positive element has
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- A smuggler could not carry gold by depositing iron on the gold surface...
01:52
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- {:(" LIST - 1 ", " LIST - 2 "),( "A) Very dilute " H(2)...
04:20
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- Standard reduction electrode potential of three metals A, B and C are ...
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- The difference of potential of two electrodes in a galvanic cell is kn...
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- Standard reduction electrode potential of three metals A, B and C are ...
01:55
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- Zn gives H2 gas with H2SO4 and HCl but not with HNO3 because
02:18
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- The standard reduction potentials at 298 K for the following half cell...
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- When Zn piece is kept in CuSO4 solution, copper gets precipitated beca...
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- Beryllium is placed above magnesium in the Il group. When beryllium du...
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- For I2 + 2e to 2I^(-) , standard reduction potential = + 0.54 volt. Fo...
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- Which of the following reactions are not feasible?
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- E^(@) for Fe^(2+) + 2e to Fe is -0.44 V , E^(@) for Zn^(2+) + 2e to ...
01:28
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- Based on the data given below , the correct order of reducing power i...
02:18
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- The S.R.Ps of Cu^(2+) // Cu , Hg^(2+)//Hg and Zn^(2+)//Zn are respecti...
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