HARD
12th Odisha Board
IMPORTANT
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What are the main differences between electromotive force of cells and cell potential?

Important Questions on Electrochemistry

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 7
Write down the notations of representing cathode, anode and galvanic cell.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 8
What are reference electrodes? What is the electrode potential?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 9
What are the fuel cells? What are its advantages?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 10
What are the reasons of corrosion?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 11
How metal corrosion is prevented?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 12
Calculate the time required for a current of 2 amp to decompose one gram mole of water.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 13

When a current strength of 965 amp can deposit 0.9 g of Al metal in 20 sec. What is the efficiency of electrolysis ?

HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 3 - Electrochemistry>QUESTIONS>Q 14

Standard oxidation potential of iron electrode is +0.44V. Calculate the potential of Fe, FeSO4(1M) at 25∘C