Electrochemistry QUESTIONS

Exam NameElectrochemistry QUESTIONS
DescriptionElectrochemistry QUESTIONS and Answers exams contains the questions from various competitive exams.These questions are the part of previous year paper.These kind of questions would be helpful in preparing for exams like IAS, PCS, UPSC, NDA, CDS SSC, RRB, PSC, IBPS
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Question: faraday constant-

Answer:It as numerical constant


Question: The conduction of electricity through the elecrolyte solution is due to-

Answer:Movement of ions of electrolyte


Question: During electrolysis, the species discharged at cathode are-

Answer:Cations


Question: The best conductor of electricity is a 0.1 M solution of -

Answer:Sulphuric acid


Question: Molten sodium chloride conduts electricity due to the presene of-

Answer:Free ions`


Question: The device which converts chemical energy of fuels directly into electrical energy is-

Answer:Fuel cell


Question: For which of the following cells, the standard cell voltage is zero-

Answer:Concentration cell


Question: A smuggler could not carry gold by depositing iron on the gold surface, because-

Answer:Gold has higher standard reduction potential than iron


Question: The electrochemical cell stops working after some time because-

Answer:Electrode potential of both electrodes equalizes


Question: To protect iron against corrosion. the durable metal plating on it, is-

Answer:Zinc plating


Question: Iron rusts in the presence of -

Answer:Moisture


Question: Which of the following metals is not attacked by the environment-

Answer:Gold


Question: the art of electroplating was given by-

Answer:Faraday


Question: Corrosion is basically an-

Answer:Electrochemical Phenomenon


Question: Which of the following cell is a secondary cell-

Answer:Ni cell


Question: The source of electrical energy on the Appolo moon flights was-

Answer:Fuel Cell


Question: When a lead storage battery is charged it acts as-

Answer:An Electrolytic cell


Question: Which of the following is moderate conductor of electricity-

Answer:Graphite


Question: The element with the highest electrical conductivity is-

Answer:Silver


Question: A conductivity cell is platinised-

Answer:To avoid polarization effect