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Class 12 • High Yield

NEET Electrochemistry Previous Year Questions

~2.8 Questions / Year•6.2% Historical Weightage•NCERT Class 12, Chapter 3
High-Yield Recurring Concepts & NCERT Focus Areas
Nernst Equation: $E_{cell} = E^\circ_{cell} - \frac{0.0591}{n} \log Q$
Kohlrausch Law of Independent Migration of Ions ($\Lambda_m^\circ$)
Faraday Laws of Electrolysis ($m = ZIt = \frac{E}{96500}It$)
Relation between $\Delta G^\circ, E^\circ_{cell},$ and Equilibrium Constant $K_c$

Chapter PYQs (60 Questions)

Self-Assessment Interactive Mode
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65
Q56ChemistrySection AClass 12Moderate
Electrochemistry
For the standard Daniell cell Zn∣Zn2+(1 M)∣∣Cu2+(1 M)∣CuZn | Zn^{2+}(1\text{ M}) || Cu^{2+}(1\text{ M}) | Cu, Ecell∘=1.10 VE^\circ_{\text{cell}} = 1.10\text{ V}. If [Zn2+]=0.1 M[Zn^{2+}] = 0.1\text{ M} and [Cu2+]=0.01 M[Cu^{2+}] = 0.01\text{ M}, the cell EMF at 298 K298\text{ K} is:
Topic: Nernst Equation & Cell Potential
Q61ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 61, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 61
Q62ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 62, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 62
Q63ChemistrySection AClass 12Challenging
Electrochemistry
In standard NEET Chemistry Question 63, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 63
Q64ChemistrySection AClass 12Moderate
Electrochemistry
In standard NEET Chemistry Question 64, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 64
Q65ChemistrySection AClass 12Easy
Electrochemistry
In standard NEET Chemistry Question 65, determine the product, oxidation state, or thermodynamic parameter according to IUPAC and NCERT conventions.
Topic: Core Concepts in Topic 65