4 JEE Main 2018 Electrochemistry previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 previous-year questions from the Electrochemistry chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Electrochemistry chapter hub.
How long (approximate) should water be electrolysed by passing through 100   amperes   current so that the ox…
When an electric current is passes through acidified water, 112 ~mL of hydrogen gas at N.T.P. was collected at the cath…
When 9.65 ampere current was passed for 1.0 hour into nitrobenzene in acidic medium, the amount of p-aminophenol produc…
When an electric current is passed through acidified water, 112 mL of hydrogen gas at N.T.P was collected at the cathod…