Faradays laws of electrolysis electrochemistry class12chemistry chemistry numericals mcqs

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Faraday's Law | | Ch- 2/Electrochemistry /Gibbs free energy /CL-12/ /NEET/IITJEE Faraday ka Niyam /Faraday Hindi | • 🌟 Faraday's Law | Chapter 2 | Electrochemistry 🌟 • Welcome to another lesson in our Class 12 Chemistry series! In today's video, we’ll dive deep into Faraday's Law, a crucial topic in Electrochemistry. This video is tailored for students preparing for NEET and IIT JEE. We'll explore both Faraday's First and Second Laws of Electrolysis, with examples and applications that are essential for understanding this chapter. • What You'll Learn: • Faraday's First Law - How the amount of substance deposited at an electrode is directly proportional to the quantity of electricity. • Faraday's Second Law - How different substances deposited by the same amount of electricity have a mass ratio equal to their equivalent weights. • Applications - Real-world applications in electroplating, electrorefining, and more. • Important Formulas - Learn key equations for solving numerical problems related to Faraday's Law. • Keywords to Remember: • Electrochemistry • Faraday's Law • Electrolysis • Faraday's Constant • NEET Chemistry • IIT JEE Chemistry • 🔔 Don't forget to Like, Subscribe, and Comment for more in-depth chemistry lessons tailored for competitive exams! Hit the bell icon for instant updates! • MCQs: • What is the value of Faraday's constant? • a) 9.65 x 10^4 C/mol • b) 6.022 x 10^23 C/mol • c) 1.6 x 10^-19 C/mol • d) None of the above • Answer: a) 9.65 x 10^4 C/mol • In electrolysis, if 1 Faraday of charge is passed, what will be the mass of the substance deposited? • a) Equal to the atomic mass of the substance. • b) Equal to the equivalent mass of the substance. • c) Double the atomic mass. • d) Half the equivalent mass. • Answer: b) Equal to the equivalent mass of the substance. • Faraday's Second Law of Electrolysis is applied when: • a) Two or more substances are deposited. • b) Only one substance is deposited. • c) No substance is deposited. • d) None of the above • Answer: a) Two or more substances are deposited. • Which factor does not affect the mass of a substance deposited during electrolysis? • a) Current passed • b) Duration of electrolysis • c) Nature of electrolyte • d) The color of the electrode • Answer: d) The color of the electrode • If the same quantity of electricity is passed through different electrolytes, the mass of substances deposited is proportional to: • a) Their atomic numbers • b) Their equivalent weights • c) Their molar volumes • d) None of the above • Answer: b) Their equivalent weights • Which of the following correctly describes Faraday's constant? • a) The charge of one mole of electrons • b) The charge of one electron • c) The voltage needed to move one mole of electrons • d) The energy required to remove an electron • Answer: a) The charge of one mole of electrons • Faraday’s First Law can be mathematically represented as: • a) m = ZIt • b) m = ZI/t • c) m = ZI^2t • d) m = Z/t • Answer: a) m = ZIt • In Faraday's First Law, the proportionality constant Z is known as: • a) Molar mass • b) Equivalent weight • c) Electrochemical equivalent • d) Atomic number • Answer: c) Electrochemical equivalent • Which of the following is not an application of Faraday’s laws? • a) Electroplating • b) Electrorefining • c) Photosynthesis • d) Electroforming • Answer: c) Photosynthesis • The amount of substance deposited during electrolysis is directly proportional to: • a) Voltage applied • b) Current passed • c) Concentration of the electrolyte • d) Temperature • Answer: b) Current passed • What happens to the mass of the substance deposited if the current is doubled? • a) It is halved • b) It is doubled • c) It remains the same • d) It increases fourfold • Answer: b) It is doubled • The unit of Faraday's constant is: • a) C/mol • b) C/mol/K • c) mol/C • d) K/C • Answer: a) C/mol • Which of the following laws is used to calculate the amount of substance liberated during electrolysis? • a) Boyle's Law • b) Faraday’s Law • c) Coulomb's Law • d) Gay-Lussac's Law • Answer: b) Faraday’s Law • If 0.5 Faraday of charge is passed through a solution, what is the mass of the substance deposited? • a) Half of its equivalent weight • b) Twice its equivalent weight • c) Equal to its equivalent weight • d) None of the above • Answer: a) Half of its equivalent weight • Faraday’s Law is most applicable in: • a) Chemical kinetics • b) Thermodynamics • c) Electrochemistry • d) Fluid dynamics • Answer: c) Electrochemistry • Faraday’s laws of electrolysis apply to: • a) Gases • b) Solids • c) Liquids • d) Ionic solutions • Answer: d) Ionic solutions • • Hashtags: #FaradaysLaw #Electrochemistry #Class12Chemistry #FaradaykaNiyam #IITJEE #NEET #FaradayLawExplained #ElectrochemistryNEET #ElectrochemistryIITJEE #FaradayHindi #ChemistryChapter2 #Class12IITJEE #NEETPreparation

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