Class 12 Chemistry Chapter 3 Electrochemistry MCQ In English With Answers

Class 12 Chemistry Chapter 3 Electrochemistry MCQ In English

आज के इस लेख में आपलोगों के लिए Class 12 Chemistry Chapter 3 Electrochemistry MCQ In English With Answers के बारे में जानेगे | जैसा की आप लोग जानते ही आज के दौर में ऑब्जेक्टिव क्वेश्चन बहुत ही इम्पोर्टेन्ट हो गया है | क्लास 12th केमिस्ट्री ऑब्जेक्टिव क्वेश्चन दिया गया गई |

यदि आप चाहते है की Electrochemistry MCQ in Hindi के बारे पढ़े तो और साथ में Chemistry 12th हिंदी मध्यम के सभी चैप्टर ऑब्जेक्टिव क्वेश्चन पढ़ने के क्लिक करे Class 12 Chemistry Mcq In Hindi All Chapter

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Class 12 Chemistry Chapter 3 Electrochemistry MCQ In English

Class 12 Chemistry Chapter 3 Electrochemistry MCQ In English With Answers

Q1. when one faraday of electric current passed, the mass deposite is equal to

  • (A) one gram equivalent
  • (B) one gram mole
  • (C) Electrochemical equivalent
  • (D) Half Gram equivalent
Show Answer

(A) one gram equivalent

Q2. The correct order of equivalent conductance at infinite dilution of LiCL, Nacl and KCL is

  • (A) LICL>NACL>KCL
  • (B) KCL>NACL>LICL
  • (C) NACL>KCL>LICL
  • (D) None
Show Answer

(B) KCL>NACL>LICL

Q3. One faraday is equal to

  • (A) 9650 coulomb
  • (B) 96500 coulomb
  • (C) 196500 coulomb
  • (D) 10000 coulomb
Show Answer

(B) 96500 coulomb

Q4. faraday's 2nd Law of electrolysis is related to

  • (A) Atomic number of the cation
  • (B) Atomic Number Of the Anion
  • (C) equivalent weight of the electrolyte
  • (D) speed of cation
Show Answer

(C) equivalent weight of the electrolyte

Q5. 96500 coulomb of electricity is passed through Cuso4 solution it will liberate

  • (A) 63.5 g CU
  • (B) 31.7 g CU
  • (C) 96500 g CU
  • (D) 100 g Cu
Show Answer

(B) 31.7 g CU

Q6. Faraday’s second law of electrolysis is related to

  • (A) Atomic number of cation
  • (B) Speed of cation
  • (C) Speed of anion
  • (D) Equivalent weight of electrolyte
Show Answer

(D) Equivalent weight of electrolyte

Q7. In galvanic cell, anode is

  • (A) Negative electrode
  • (B) Positive electrode
  • (C) Neutral electrode
  • (D) None of these
Show Answer

(A) Negative electrode

Q8. When one faraday of electric current is passed, the mass deposited, is equal to

  • (A) One gram equivalent
  • (B) One gram mole
  • (C) electrochemical equivalent
  • (D) Half gram equivalent
Show Answer

(A) One gram equivalent

Q9. on passing one faraday of electricity through a dilute solution of an acid the volume of hydrogen obtained at

  • (A) 22400 ml
  • (B) 1120 ml
  • (C) 2240 ml
  • (D) 11200 ml
Show Answer

(D) 11200 ml

Q10. how many faraday will be required to deposite 108g of Ag from AgNo3 Solution

  • (A) 3F
  • (B) 2F
  • (C) 1F
  • (D) 4F
Show Answer

(C) 1F

Class 12 Chemistry electrochemistry multiple choice questions and answers

Q11. A standard hydrogen electrode that a zero potential because …

  • (A) hydrogen can be most’easily oxidized
  • (B) hydrogen has only one electron
  • (C) the electrode potential is assumed to be zero
  • (D) hydrogen is the lightest element
Show Answer

(C) the electrode potential is assumed to be zero

Q12. As Lead Storage battery is charged

  • (A) lead dioxide dissolves
  • (B) sulphuric acid is regenerated
  • (C) lead metal gets coated with lead sulphate
  • (D) the concertration of surphuric acid decreases
Show Answer

(B) sulphuric acid is regenerated

Q13. Fused NaCl on electrolysis gives …… on cathode.

  • (A) Chlorine
  • (B) Sodium
  • (C) Sodium amalgam
  • (D) Hydrogen
Show Answer

(B) Sodium

Q14. Which of the following is a secondary cell ?

  • (A) Leclanche cell
  • (B) Lead storage battery
  • (C) Concentration cell
  • (D) All of these
Show Answer

(B) Lead storage battery

Q15. pure water does not conduct electricity because it is

  • (A) basic
  • (B) almost non ionised
  • (C) acidic
  • (D) decomposed easily
Show Answer

(B) almost non ionised

mcq on electrochemistry class 12 Chemistry PDF

Q16. In an aqueous solution hydrogen (H) will not reduce

  • (A) Fe3+
  • (B) Zn2+
  • (C) Cu2+
  • (D) Ag
Show Answer

(A) Fe3+

Q17. In an electrolytic cell the flow of electrons is from

  • (A) cathode to anode in solution
  • (B) cathode to anode through external supply
  • (C) cathode to anode through internal supply
  • (D) anode to cathode through internal supply
Show Answer

(B) cathode to anode through external supply

Q18. The diffrence between the electrode potentials of two electrodes when no current is drawn through the cell is called

  • (A) cell potential
  • (B) cell e.m.f
  • (C) potential diffrence
  • (D) cell voltage
Show Answer

(C) potential diffrence

Q19. When flow of electric current in a conductor is through flow of electron then, the conductor is called

  • (A) Metallic conductor
  • (B) Electrolytic conductor
  • (C) Bad conductor
  • (D) None
Show Answer

(A) Metallic conductor

Q20. The molar conductivity is maximum for the solution of concentration

  • (A) 0.004 M
  • (B) 0.002 M
  • (C) 0.005 M
  • (D) 0.001 M
Show Answer

(D) 0.001 M

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Class 12 Chemistry Electrochemistry MCQs Questions with Answers

Pattern BasedBihar Board, Patna
Class12th or Inter
CategoryClass 12 Chemistry Chapter Wise Objective Question
SubjectClass 12 Chemistry
Class 12th English SummaryBSEB Class 12th English Summary
Type Of Question
Objective Question || 01 Marks
ScriptHindi And English Medium
Published OnBihari Academy
sarkari result
Updated: 06/09/2024 — 1:48 PM

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