Chemistry · JEE

Medium Dry cell and lead accumulator, fuel cells MCQs for JEE

11+ syllabus-aligned questions available

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Medium Dry cell and lead accumulator, fuel cells MCQs bridge basics and advanced JEE problems — 11+ available on Goodmarks.

Medium-difficulty Dry cell and lead accumulator, fuel cells MCQs mirror typical JEE Main questions. Practise 11+ MCQs with step-by-step solutions.

Syllabus context

Part of Redox Reactions and Electrochemistry in JEE Main Chemistry.

Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number and balancing of redox reactions
Electrolytic and metallic conduction, conductance in electrolytic solutions, molar conductivities and their variation with concentration, Kohlrausch's law and its applications
Electrochemical cells: Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half-cell and cell reactions
Emf of a Galvanic cell and its measurement, Nernst equation and its applications, relationship between cell potential and Gibbs' energy change
Dry cell and lead accumulator, fuel cells

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Q1ChemistryUnit 7: Redox Reactions and Electrochemistry

_{-1}-\ldots_{\text {eactants are }}

continuously supplied energy which can be withdrawn indefinately until outside supply of reactant is maintained. These cells are more efficient than conventional batteries and moreover, these are eco-friendly.

Q2ChemistryUnit 7: Redox Reactions and Electrochemistry

Which of the following is an example of simple fuel cell?

Q3ChemistryUnit 7: Redox Reactions and Electrochemistry

Primary battery is a battery:

Q4ChemistryUnit 7: Redox Reactions and Electrochemistry

In hydrogen-oxygen fuel cell the carbon rods are immersed in hot aqueous solution of.

Q5ChemistryUnit 7: Redox Reactions and Electrochemistry

Assertion

\boldsymbol{H}_{2}+\boldsymbol{O}_{2}

fuel cell gives a constant voltage throughout its life. Reason In this fuel cell,

H_{2}

reacts with

O H^{-}

ions, yet the overall concentration of

O H^{-}

ions does not change

Q6ChemistryUnit 7: Redox Reactions and Electrochemistry

\ln

H_{2}-O_{2}

fuel cell, combustion of hydrogen occurs to:

Q7ChemistryUnit 7: Redox Reactions and Electrochemistry

Assertion A large dry cell has higher emf. Reason The emf of a dry cell is independent of its size.

Q8ChemistryUnit 7: Redox Reactions and Electrochemistry

Hydrogen could well be a fuel for the future. Which of the following statement is true about the potential use of hydrogen as a fuel?

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Are medium Dry cell and lead accumulator, fuel cells MCQs enough for JEE Main?

Yes for many units — combine with PYQ-style and mock tests as exam day approaches.

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