Chemistry questions
29404 published questions with worked solutions.
- The unit of electrochemical equivalent is _______
- When the same quantity of electricity is passed through the solution of different electrolytes in series, the amount of products...
- The reaction taking place at the anode during electrolysis is _______
- Quantity of electricity which liberates 108 g of Ag from AgNO_3 solution is equal to _______
- Electrolytic cell is used to convert _________
- The number of electrons involved in the reaction when a Faraday of electricity is passed through an electrolyte in solution is...
- On passing electric current into a solution of a salt of metal M, the reaction taking place at the cathode is M^ 2+ +2e^- M . The...
- How many Coulombs are required for the reduction of 1 mole of Cu^ 2+ to Cu?
- The quantity of electricity needed to liberate 0.5 gram equivalent of an element is ______
- In the Daniel cell, the negative terminal is ______
- The cell reaction Zn(s) +2 Ag^+(aq) Zn^ 2+ (aq) +2 Ag(s) is best represented by _______
- A cell in which electric current is produced by redox process is called ________ cell
- The e.m.f. of the cell depends upon __________
- E^ for F_2 +2e^- 2 F^- is 2.8 V, E^ for 12 F_2 +e^- F^- is ________
- The Nernst equation giving dependence of reduction electrode potential on concentration is _______
- The standard potential of Cu^ 2+ |Cu electrode is 0.34 V. It corresponds to the reaction _________
- The potential difference between the metal electrode and solution around it under equilibrium condition is called as ___________...
- The e.m.f. of the following cell at 25^ C is _______ Fe(s)|FeSO_4(aq)(0.1 ,M)||CuSO_4(aq)(0.01 ,M)|Cu(s) (E^ _ Fe/Fe^ 2+ =0.44 V...
- The electrical work done in a galvanic cell is equal to _________
- Which of the following has been universally accepted as a reference electrode at all temperatures and has been assigned a value...