From the following select the one which is not an example of corrosion.

Production of hydrogen by electrolysis of water

Development of green coating on copper and bronze ornaments

Electrochemistry — NEET Previous Year Questions

30 solved PYQs · 2016–2026 · Chemistry

Solved PYQs: 30
Years covered: 2016–2026
Avg / year: ~3
Subject: Chemistry

How many NEET questions come from Electrochemistry?

Electrochemistry has contributed 30 questions to National Eligibility cum Entrance Test (UG) papers between 2016 and 2026 — an average of about 3 questions a year. That count is measured from EByAi’s bank of 46,150 NEET questions, not estimated from a syllabus. Every one of the 30 questions carries a written, step-by-step solution, and each is tagged to Electrochemistry within Chemistry, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Electrochemistry questions from real NEET papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 30 Electrochemistry questions (with full written solutions) are available in practice.

Question 1 · NEET 2024
From the following select the one which is not an example of corrosion.
1. (A) $Rusting of iron object$
2. (B) $Production of hydrogen by electrolysis of water$
3. (C) $Tarnishing of silver$
4. (D) $Development of green coating on copper and bronze ornaments$
Show answerAnswer
$Answer: (B) Production of hydrogen by electrolysis of water$
Question 2 · NEET 2021
The molar conductance of NaCl, HCl and CH3COONa at infinite dilution is 126.45, 426.16 and 91.0 S cm² mol^-1 respectively. The molar conductance of CH3COOH at infinite dilution is. Choose the right option for your answer.
1. (A) $540.48 S cm 2 mol -1$
2. (B) $201.28 S cm 2 mol -1$
3. (C) $390.71 S cm 2 mol -1$
4. (D) $698.28 S cm 2 mol -1$
Show answerAnswer
$Answer: (C) 390.71 S cm 2 mol -1$
Question 3 · NEET 2020
On electrolysis of dil. sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be :
1. (A) $Oxygen gas$
2. (B) $H2S gas$
3. (C) $SO2 gas$
4. (D) $Hydrogen gas$
Show answerAnswer
$Answer: (A) Oxygen gas$
Question 4 · NEET 2020
The number of Faraday (F) required to produce 20 g of calcium from molten CaCl2 (Atomic mass of Ca = 40 g mol-1) is :
1. (A) $2$
2. (B) $3$
3. (C) $4$
4. (D) $1$
Show answerAnswer
$Answer: (D) 1$
Question 5 · NEET 2016
The pressure of H2 required to make the potential of H2-electrode zero in pure water at 298 K is
1. (A) $1 0^{- 10} atm$
2. (B) $1 0^{- 4} atm$
3. (C) $1 0^{- 14} atm$
4. (D) $1 0^{- 12} atm$
Show answerAnswer
$Answer: (C) 1 0^{- 14} atm$

Electrochemistry questions by year

Year	Questions	Share of chapter questions
2026	2
2024	4
2023	5
2022	5
2021	2
2020	2
2019	2
2018	1
2017	1
2016	6

Practise these 30 questions with solutions

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FAQs

How many NEET questions have been asked from Electrochemistry?

EByAi's bank holds 30 real NEET questions from Electrochemistry, asked between 2016 and 2026 — about 3 per year on average. Every count is measured from actual papers, not estimated.

Is Electrochemistry important for NEET?

30 questions over 10 papers make Electrochemistry a steady-weightage chapter in NEET Chemistry. The year-wise table above shows exactly how often it appears.

Can I solve Electrochemistry PYQs online for free?

Yes. EByAi lets you solve NEET past-year questions in the browser with written solutions — free daily practice, no card needed.

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