Virtual Labs

Cyclic Voltammetry of ferricyanide system

Q1. Voltammetric technique described as a function of

a: current, voltage Explanation

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b: time, current Explanation

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c: voltage, time Explanation

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d: current, voltage, time Explanation

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Q2. In voltammetric technique

a: applied voltage varies with current voltage Explanation

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b: current & voltage varies with time Explanation

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c: current is monitor when voltage is varied Explanation

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d: current does not affect with varies voltage Explanation

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Q3. In cyclic voltammetry, the ferricyanide system undergoes:

a: Acid–base reaction Explanation

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b: Precipitation reaction Explanation

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c: Reversible redox reaction Explanation

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d: Thermal decomposition Explanation

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Q4. Voltammetric technique principle based on

a: Ohm’s Law Explanation

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b: Faraday’s Law Explanation

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c: Kohlrausch Law Explanation

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d: Kirchoff’s Law Explanation

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Q5. Potential in cyclic voltammetry is:

a: Dependent variable Explanation

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b: Independent variable Explanation

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c: Constant Explanation

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d: None of the above Explanation

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Q6. Which of the following electrode is not used in voltammetry?

a: Working Electrode Explanation

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b: Auxillary electrode Explanation

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c: Reference electrode Explanation

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d: Conducting electrode Explanation

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Q7. What are the common parameter involves in voltammetry?

a: Potential and current Explanation

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b: Potential and resistance Explanation

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c: Current and resistance Explanation

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d: Current and electrodes Explanation

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Q8. Which of the following is not involved in the migration of particles in solution during voltammetry?

a: Migration Explanation

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b: Immigration Explanation

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c: Convection Explanation

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d: Diffusion Explanation

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Q9. Which of the following electrodes are often used as counter or auxiliary electrode in voltammetry?

a: Calomel electrode Explanation

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b: Carbon paste Explanation

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c: Platinum wire Explanation

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d: Mercury thin film Explanation

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Q10. Which of the following voltammetric techniques enhances the sensitivity through improving the faradaic current?

a: Differential pulse voltammetry Explanation

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b: Square wave voltammetry Explanation

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c: Cyclic voltammetry Explanation

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d: Stripping voltammetry Explanation

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