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JEE Chemistry - MCQ Practice Questions

Practice free JEE Chemistry multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

457 questions | 100% Free

Q.101Easy

What is the SI unit of electrical conductivity?

Q.102Easy

In a galvanic cell, which electrode acts as the negative terminal?

Q.103Easy

What does Faraday's first law of electrolysis state?

Q.104Easy

The Nernst equation is used to calculate:

Q.105Easy

Which of the following is a primary cell (non-rechargeable)?

Q.106Easy

In electroplating, the object to be plated is connected to which terminal?

Q.107Easy

In a galvanic cell, oxidation occurs at which electrode?

Q.108Easy

The Faraday constant (F) is approximately equal to:

Q.109Easy

Which statement is correct regarding electrode potentials?

Q.110Easy

For a spontaneous electrochemical cell, the cell potential (E°cell) should be:

Q.111Easy

In a galvanic cell, the electrode where oxidation occurs is called:

Q.112Easy

The standard cell potential (E°cell) for a reaction is -0.45 V at 25°C. What can be concluded about the reaction?

Q.113Easy

Which of the following is NOT an application of electrochemistry?

Q.114Easy

The Faraday constant (F) is numerically equal to:

Q.115Easy

In the electrochemical series, which metal is most easily oxidized?

Q.116Easy

In a galvanic cell, if the standard cell potential E°cell is negative, which statement is true?

Q.117Easy

Which electrodes combination gives the maximum EMF in a galvanic cell at 25°C?

Q.118Easy

The conductivity of a solution decreased upon dilution. This is because:

Q.119Easy

In the electrolysis of molten NaCl using inert electrodes, what is produced at the cathode?

Q.120Easy

In a Daniel cell, the mass of zinc electrode decreases and copper electrode increases. This indicates: