IIT JEE Questions And Answers :: Redox Reactions And Electrochemistry: part3



IIT JEE : Redox Reactions And Electrochemistry QUESTIONS AND ANSWERS :: part3 : 6 to 10

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

6.The oxidation sate of phosphorus is + 3 in

Orthophosphoric acid
Phosphorus acid
Metaphosphoric acid
Pyrophosphoric acid.

7.Which of the following process always involve the decrease in oxidation number?

Hydrolysis
Decomposition
Reduction
Oxidation.

8.Burning of lime to give calcium oxide is

oxidation process
redox process
disproportionation
decomposition.

9.A direct current deposits 54 g of silver (At. mass = 108) during the electrolytic reaction. The same amount of electricity would deposit aluminium (At. mass = 27) from aluminium chloride solution equal to

4.5 g
5.4 g
54 g
27 g.

10.How much copper can be deposited by 2.5 Faraday of electricity?

2 moles
2.5 moles
1.25 moles
0.125 moles.

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

    Health is the greatest gift, contentment is the greatest wealth -Buddha
The only place where success comes before work is in the dictionary.- Vidal Sassoon