Questions tagged 'Electrochemical cells'

• In the experiment set up for the measurement of emf of a half cell using a reference electrode and a salt bridge, when the salt bridge is removed, the voltage
  Category: electrochemistry | Tags: Electrochemical cells
• The reaction $\frac{1}{2}{{H}_{2}}(g)+AgCl(s)\to {{H}^{+}}(aq)+C{{l}^{-}}(aq)+Ag(s)$ occurs in the Galvanic cell
  Category: electrochemistry | Tags: Electrochemical cells
• A depolarizer used in dry cell batteries is
  Category: electrochemistry | Tags: Electrochemical cells
• When lead storage battery is charged
  Category: electrochemistry | Tags: Electrochemical cells
• In Galvanic cell, the salt bridge is used to
  Category: electrochemistry | Tags: Electrochemical cells
• Saturated solution of $KN{{O}_{3}}$ is used to make ‘salt-bridge’ because
  Category: electrochemistry | Tags: Electrochemical cells
• Which of the following statements about the spontaneous reaction occurring in a Galvanic cell is always true
  Category: electrochemistry | Tags: Electrochemical cells
• In the cell $Zn|Z{{n}^{2+}}||C{{u}^{2+}}|Cu$, the negative electrode is
  Category: electrochemistry | Tags: Electrochemical cells
• Following is the concentration cell reversible to anion$\underset{1\text{ bar}}{\mathop{Pt(C{{l}_{2}})}}\,|C{{l}^{-}}({{C}_{1}})||C{{l}^{-}}({{C}_{2}})|\underset{1\text{ bar}}{\mathop{Pt(C{{l}_{2}}}}\,)$. Cell reaction is spontaneous if
  Category: electrochemistry | Tags: Electrochemical cells
• Which of the following reactions occurs at the cathode of a common dry cell
  Category: electrochemistry | Tags: Electrochemical cells

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