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Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceOtherMediumRecall

JEE Main 12 April 2023, Shift 1, Chemistry Q63

Question 63 of 90 in this shift, Chemistry question 3 of 30, Section A.

For lead storage battery pick the correct statements A. During charging of battery, PbSO4\mathrm{PbSO_4} on anode is converted into PbO2\mathrm{PbO_2} B. During charging of battery, PbSO4\mathrm{PbSO_4} on cathode is converted into PbO2\mathrm{PbO_2} C. Lead storage battery consists of grid of lead packed with PbO2\mathrm{PbO_2} as anode D. Lead storage battery has ∼\sim 38% solution of sulphuric acid as an electrolyte Choose the correct answer from the options given below:
  1. (1)A, B, D only
  2. (2)B, D onlyOfficial answer
  3. (3)B, C only
  4. (4)B, C, D only

Official answer

Option 2

NTA final key.

Chapter
Electrochemistry
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.