IIT JEE Questions And Answers :: Redox Reactions And Electrochemistry: part2



IIT JEE : Redox Reactions And Electrochemistry QUESTIONS AND ANSWERS :: part2 : 21 to 25

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

21.Electrolytes when dissolved in water dissociate into their constituent ions. The degree of dissociation of an electrolyte increase with the

decreasing concentration of the electrolyte
increasing concentration of the electrolyte
presence of a common constituent
decreasing temperature

22.Which of the following does not give conducting solution is water?

Potash alum
Ethyl alcohol
Vitriol
Methyl Alcohal

23.Cadmium amalgam is prepared using a mercury cathode. The electricity required to prepare 10% Cd-Hg anakgan on a cathode of 3 g of Hg is

9650 C
568.6 C
484 C
600 C

24.An electrode chemical cell stops working after some time because

the reduction potential of one electrode becomes equal to that of the other
electrode potential of both the electrodes increases
one electrode is broken
None of the above

25.In which of the following chemical changes take place?

Ammeter
Voltameter
Micrometer
Galvanometer

More Redox Reactions And Electrochemistry QUESTIONS AND ANSWERS available in next pages

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