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Electrochemistry

Previous year questions with solutions · 2019 – 2026

5Questions
5Papers covered
2.94% ↓52.9%Weightage in 2026
’24
’25
’26
Year-wise statistics questions · papers · average per paper · weightage
YearQuestionsPapersAvg / paperWeightage
2026120.52.94% ↓52.9%
20252216.25% ↑6.2%
20242215.88%

1 question · newest paper first

1

In a conductometric titration, small volume of titrant of higher concentration is added stepwise to a larger volume of titrate of much lower concentration, and the conductance is measured after each addition. The limiting ionic conductivity ( 0) values (in mS m2 mol-1) for different ions in aqueous solutions are given below: array|c|c|c|c|c|c|c|c|c|c| Ions & Ag+ & K+ & Na+ & H+ & NO3- & Cl- & SO42- & OH- & CH3COO- \ 0 & 6.2 & 7.4 & 5.0 & 35.0 & 7.2 & 7.6 & 16.0 & 19.9 & 4.1 \ array For different combinations of titrates and titrants given in List-I, the graphs of ‘conductance’ versus ‘volume of titrant’ are given in List-II. Match each entry in List-I with the appropriate entry in List-II and choose the correct option.

  1. P-4, Q-3, R-2, S-5
  2. P-2, Q-4, R-3, S-1
  3. P-3, Q-4, R-2, S-5
  4. P-4, Q-3, R-2, S-1
JEE Advanced 2024 Paper 1