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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.21Easy

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

Q.22Easy

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

Q.23Easy

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

Q.24Easy

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

Q.25Easy

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

Q.26Easy

The standard reduction potential of H⁺/H₂ electrode is taken as 0.00 V because:

Q.27Easy

What is the effect of temperature on the conductivity of ionic solutions?

Q.28Easy

The electrochemical series is based on which property?

Q.29Easy

Which factor does NOT significantly affect the conductance of an electrolytic solution?