Class 12th Chemistry Chapter Electrochemistry free mcq test quiz

Welcome to our exclusive Class 12 Chemistry Chapter Electrochemistry Free Test Quiz! Electrochemistry is a fascinating branch of chemistry that explores the relationship between electricity and chemical reactions. As a crucial chapter in your Class 12 Chemistry syllabus, mastering the concepts of Electrochemistry is essential for scoring well in your board exams and building a strong foundation for advanced studies. Take advantage of this opportunity to assess your knowledge and enhance your understanding of Electrochemistry.

Check Class 12th Chemistry Electrochemistry Chapter Knowledge

12th Chemistry: Electrochemistry

1 / 10

1. The standard emf of a cell, involving one electron change is found to be 0.591 V at 25°C. The equilibrium constant of the reaction is (F = 96500 C mol^–1)

1.0 × 10¹

1.0 × 10⁵

1.0 × 10¹⁰

1.0 ×10³⁰

2 / 10

2. The specific conductance of a 0.1 N KCl solution at 23°C is 0.012 ohm–1cm^–1. The resistance of cell containing the solution at the same temperature was found to be 55 ohm. The cell constant will be

0.142 cm^–1

0.66 cm^–1

0.918 cm^–1

1.12 cm^–1

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3. If 0.5 amp current is passed through acidified silver nitrate solution for 100 minutes. The mass of silver deposited oncathode, is (eq.wt.of silver nitrate = 108)

2.3523 g

3.3575 g

5.3578 g

6.3575 g

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4. A hydrogen electrode is immersed in a solution with pH = 0 (HCl). By how much will the potential (reduction) change if an equivalent amount of NaOH is added to the solution. (Take H₂ p = 1 atm), T = 298 K.

increase by 0.41 V

increase by 59 mV

decrease by 0.41 V

decrease by 59 mV

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5. In electrolysis of dilute H₂SO₄ using platinum electrodes

H₂ is evolved at cathode

NH₂ is produced at anode

Cl₂ is obtained at cathode

O₂ is produced

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6. Which shows electrical conductance?

Sodium

Diamond

Potassium

Graphite

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7. Which of the following solutions of KCl will have the highest value of specific conductance?

1.0 N

0.1 N

1.0 ×10^–2N

1.0 ×10^–3N

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8. Standard electrode potential of three metals X, Y and Z are – 1.2 V, + 0.5 V and – 3.0 V, espectively. The reducing powerbof these metals will be :

Y > Z > X

X > Y > Z

Z > X > Y

X > Y > Z

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9. Which cell will measure standard electrode potential of copper electrode ?

Pt (s) |H₂ (g, 0.1 bar) |H+ (aq., 1 M) ||Cu²⁺ (aq., 1 M) | Cu

Pt (s) |H₂ (g, 1 bar) |H+ (aq., 1 M) ||Cu²⁺ (aq., 2 M) | Cu

Pt (s) |H₂(g, 1 bar) |H+ (aq., 1 M) ||Cu²⁺(aq., 1 M) | Cu

Pt (s) |H₂ (g, 1 bar) |H+ (aq., 0.1 M) ||Cu²⁺ (aq., 1 M) | Cu

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10. Without losing its concentration ZnCl₂ solution cannot be kept in contact with

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Chapter wise quiz of XII class chemistry

You can also attempt other chapters exam quiz of chemistry for 12th class

Understanding Class 12 Chemistry Chapter 3 – Electrochemistry: Chapter 3 of Class 12 Chemistry delves into the world of Electrochemistry, focusing on redox reactions, electrochemical cells, conductance, and various related topics. Electrochemistry plays a vital role in diverse fields, from industrial processes to biological systems, making it a significant aspect of the subject. This chapter aims to equip students with a deep understanding of electrochemical principles and their applications in real-world scenarios.

Why Take the Free Test Quiz?

Self-Assessment: Our free test quiz enables you to evaluate your grasp of Electrochemistry concepts, helping you identify strengths and areas that require more attention in your studies.
Exam Practice: This quiz simulates the format and environment of the actual exam, allowing you to familiarize yourself with the question pattern and manage time efficiently.
Confidence Booster: Engaging in quizzes regularly boosts confidence, ensuring you feel well-prepared and self-assured on the day of the examination.

FAQ

Q1. Is the quiz completely free to take?

Yes, absolutely! Our Chapter 3 Chemistry quiz on Electrochemistry is 100% free for all users. You can access and attempt the quiz without any charges or hidden fees. It’s a great opportunity to assess your knowledge and enhance your understanding of the topic at no cost.

Q2. How can I access the Free Quiz for Chapter 3 Chemistry?

Accessing the Free Quiz for Chapter 3 Chemistry is simple and easy. Just visit our website and navigate to the Chemistry section. You will find the Chapter 3 quiz on Electrochemistry listed there. Click on the quiz, and you’ll be directed to the quiz page where you can start answering the questions right away.

Q3. Is there a time limit for completing the quiz?

Yes, there is a time limit for completing the quiz. To simulate exam conditions and provide a fair assessment, we have set a specific time limit for each question. You’ll need to answer within the given time frame for each question. Don’t worry; the time limit is designed to provide sufficient time for thoughtful answers.

Conclusion

Prepare yourself to conquer Class 12 Chemistry Chapter 3: Electrochemistry with our Free Test Quiz. Use this opportunity to assess your knowledge, refine your understanding of Electrochemistry concepts, and elevate your exam preparation. Remember, practice and self-assessment are the keys to success. Take the quiz now and excel in your chemistry studies!

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