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CALOMEL ELECTRODE...

CALOMEL ELECTRODE

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`Hg_(2)Cl_(2)(s)+2e^(-)to2Hg(l)+2Cl^(-)(aq)`
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ELECTRODES

Standard Electrode Potential||Half Cells||their reactions and representation||Complete Galvanic Cell with reactions and representations||Reference Electrodes||Standard Hydrogen Electrode||Secondary Electrodes Calomel Electrode and Silver Electrode

A certain electrode has a standard reduction potential of 0.140 V when measure against a saturaed calomel electrode (E_(RP)^(@) = + 0.244 V) . Calculate its standard reduction potential against a standard H -electrods.

The quinhydrone electrode (Q,H^(o+)|H^(2)Q) is used in conjunction with a saturated calomel electrode, as represented below : EMF_(cell)=0.264V at 30^(@)C . Calculate the pH of unknown solution at this temperature. Given :E_(calomel)=0.24V and E^(c-)._(2H^(o+),Q|H_(2)Q)=0.7V

Match the List-I with List-II {:(,"List-I (Electrode)",,"List -II (Type)"),(1,"Calomel",(A),"Reference"),(2,"Glass",(B),"Redox"),(3,"Hydrogen",(C),"Membrane"),(4,"Quinhydrone",(D),"Gas"),(,,,):}

Match the list - I with List - II {:(,"List (Electrode)",,"List - II(Type)"),(1.,"Calomel",P.,"Reference"),(2.,"Glass",Q.,"Redox"),(3,"Hydrogen",R.,"Membrane"),(4.,"Quinhydrone",S.,"Gas"):}

PRADEEP-ELECTROCHEMISTRY-TEST YOUR GRIP (FILL IN THE BLANKS)
  1. If every quantity is expressed in SI units, then molar conductivity (w...

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  2. Conductivity (kappa), conductance (G) and cell constant (G^(@)) are re...

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  3. The units of cell constant are ......

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  4. Out of specific, equivalent and molar conductivities, the quantity whi...

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  5. According to Debye-Huckel-Onsager equation,wedge(m)^(c)=.

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  6. According to Kohlrausch'a law, wedge(m)^(@) for electrolyte A(x)B(y)=.

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  7. Ionic mobility=("Ionic conductance")/("")

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  8. In a galvanic cell, the electrode which acts as anode is a pole.

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  9. In a galvanic cell, the electrons flow from :

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  10. KCl, KNO(3) etc. are preferred in a salt bridge because they have equa...

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  11. CALOMEL ELECTRODE

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  12. Out of Fe,Cu,Sn and Hg, the most reactive metal is and least reactive...

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  13. If E(Red)^(@) for Ag^(+)+e^(-)toAg is 0.80 V, then for the reaction 2A...

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  14. Nernst equation halps us to understand the effect of "" on the electr...

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  15. In the electrolysis of aqueous NaCl solution, Cl(2) is produced at the...

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  16. In Leclanche cell, MnO(2) acts as a.

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  17. In lead storage battery, the cathode consists of.

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  18. The efficiency of a fuel cell is given by:

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  19. The process of protecting iron by coating with Zinc.

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  20. The energy of one joule per second given out by a source is called.

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