Solved question paper for Chem Dec-2023 (B-TECH 1st-2nd)

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Chemistry Dec-2023

PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2023

Chemistry previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for Chemistry, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for chemistry syllabus while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.

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b) What are Elimination reactions? Give its mechanism.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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a) Write short notes on the following organic reactions: ii) Ring opening reactions

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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Dec 2023 b) Write short notes on the following organic reactions :\\r\\nii) Ring Opening Reactions
a) Write short notes on the following organic reactions: i) Oxidation reactions

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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May 2023 Write short notes on the following organic reactions: (4)

Dec 2023 b) Write short notes on the following organic reactions :\\r\\ni) Oxidation Reactions

Dec 2020 Write short notes on the following organic reactions : ”
b) Draw structural isomers for C3H8O and C4H10O2

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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a) Describe the conformational analysis of butane.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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May 2025 Describe the conformational analysis of butane.

Dec 2023 Discuss the conformational analysis of propane.
b) ii) Penetration of molecular orbitals.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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b) i) Effective Nuclear Charge

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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a) What is ionization energy? Which elements have the highest ionization energy? How it shows variation along the period and down the group?

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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May 2025 What is ionization energy? Which elements have the highest ionization energy? How ionization energy shows variation along the period and down the group?

Dec 2024 What is ionization energy, and how does it vary across periods and groups in the periodic table?

Dec 2024 What is ionization energy, and how does it vary across periods and groups in the periodic table? 7

Dec 2020 What is ionization energy? Which elements have the highest ionization energy? (2)

b) What is Ellingham Diagram? How it can be constructed? What are the important characteristics?

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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Dec 2024 What is Ellingham diagram? How can it be constructed? Discuss its important characteristics.

Dec 2024 What is Ellingham diagram? How can it be constructed? Discuss its important characteristics.

May 2023 What information can be drawn from Ellingham diagrams?
a) Derive Nernst equation for calculation of cell e.m.f.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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May 2025 b) State the Nernst equation and explain its application in calculating cell potentials.

Dec 2023 a) Derive Nernst Equation for the calculation of cell E.M.F.

Dec 2023 Derive Nernst Equation and give its application.
b) What do you understand by potential energy surface? Explain with an example.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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a) What are van der Waals forces? Discuss them briefly.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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Dec 2020 What are vander Waals forces? Discuss them briefly. (5)

b) iv) CH3-CH-Br2

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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b) iii) CH3-CH2-O-CH2-CH3

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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Dec 2023 b) i) CH3-O-CH3
b) ii) CH3-CH2-C-CH3

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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b) i) CH3-O-CH3

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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Dec 2023 b) iii) CH3-CH2-O-CH2-CH3

a) What is Fluorescence? Discuss its applications in medicines.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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Dec 2024 b) What is fluorescence, and how is it used in medical applications?

Dec 2024 What is fluorescence, and how is it used in medical applications?
b) What is Pauli Exclusion Principle? Explain.

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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a) Discuss in detail Crystal field splitting in octahedral complexes?

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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May 2025 Discuss in detail Crystal field splitting in octahedral complexes,

Dec 2024 Discuss the crystal field splitting in octahedral complexes.

Dec 2024 Discuss the crystal field splitting in octahedral complexes.

Dec 2023 a) Explain Crystal field splitting in octahedral complexes.
b) Find out the bond orders of CO, N2 and O2^2?

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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a) Draw the molecular orbital energy level diagram of NO molecule?

Long Answer 8 Marks Dec-2023 • PTU B-TECH

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Dec 2024 Draw the molecular orbital diagram of NO molecule.

Dec 2024 Draw the molecular orbital diagram of NO molecule.
Write short notes on: (j) How is entropy related to free energy?

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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May 2025 How is entropy related to free energy?
Write short notes on: (i) Complete the following:

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Write short notes on: (h) What is the difference between linkage isomerism and co-ordination isomerism?

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Write short notes on: (g) What is principle of HSAB?

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Write short notes on: (f) Why electron affinities of halogens are the highest?

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Dec 2024 Explain why electron affinities of halogens are high?
Write short notes on: (e) Differentiate between P-type and N-type semiconductors.

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Write short notes on: (d) What type of molecules show IR Spectra?

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Write short notes on: (c) What is electrochemical corrosion? Give examples.

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Write short notes on: (b) What are dipole-dipole interactions? Explain.

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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Write short notes on: (a) What is Aufbau Principle? Explain.

Very Short Answer 2 Marks Dec-2023 • PTU B-TECH

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01 Where can I find Chemistry previous year question papers for Bachelor of Technology, 1st-2nd semester?

This page lists Chemistry question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.

02 Are these official Punjab Technical University question papers?

BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.

03 How can previous year Chemistry papers help in exam preparation?

Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.

04 What kind of topics does Chemistry usually cover?

The question papers here relate to the official Chemistry syllabus set by the university for this course and semester.

05 Does this page include a Chemistry syllabus or solved answers?

This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.

06 Can I find papers for other subjects in the same Bachelor of Technology?

Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.

Solved question paper for Chem Dec-2023 (B-TECH 1st-2nd)

Chemistry Dec-2023

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