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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a) Enlist the important features of crystal field theory.

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

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b) Why ionisation energy of Nitrogen is higher than that of Oxygen?

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

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Dec 2024 Why ionisation energy of nitrogen is more than oxygen? ¢) Explain why electron affinities of halogens are high?

Dec 2024 Why ionisation energy of nitrogen is more than oxygen?
c) Assign R/S configuration to the following :

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

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d) Discuss DieI-Alder Reaction.

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

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e) i) Calculate the number of signals for the following compounds: i) C11H12CH2-O-CH3

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

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Dec 2023 e) ii) Calculate the number of signals for the following compounds: ii) CH3-CH2-CH2-OH
e) ii) Calculate the number of signals for the following compounds: ii) CH3-CH2-CH2-OH

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

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Dec 2023 e) i) Calculate the number of signals for the following compounds: i) C11H12CH2-O-CH3
f) Name the various types of intermolecular forces with an example of each.

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

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Which out of the conjugated dienes or non-conjugated dienes are more stable and Why?

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

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How free energy decides the spontaneity of a process?

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

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What type of molecules show IR Spectra?

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

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Differentiate between dry and wet corrosion.

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

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a) Discuss the Schrodinger wave equation for particle in one dimensional box and relate important results from it.

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

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Dec 2024 b) Give the solution to the Schrodinger equation for a particle in a one-dimensional box.

Dec 2024 Derive the Schrodinger wave equation for a particle in one dimension box.

Dec 2024 Derive the Schrodinger wave equation for a particle in one dimension box.

Dec 2024 Give the Solution to the Schrodinger equation for a particle ina one-dimensional box. |

Dec 2020 Solve the Schrodinger wave equation for particle in one-dimensional box. (6)

b) Differentiate between Bonding and Antibonding molecular orbital.

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

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Dec 2023 Differentiate between bonding and antibonding molecular orbitals.
a) Explain 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) Discuss in detail Crystal field splitting in octahedral complexes?
b) What is role of doping on Band structures?

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

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Dec 2024 What is role of doping on band structure?

Dec 2024 What is role of doping on band structure?
a) Give important applications of UV-visible spectroscopy with proper examples.

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

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b) Explain chemical shift in NMR.

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

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May 2025 In 1H NMR spectroscopy, what is meant by chemical shift?

May 2025 b) What is the principle of NMR spectroscopy? Explain.

May 2023 Explain the theory of NMR spectroscopy. (6)

Dec 2023 Describe the working principle and selection rule for NMR.
c) Differentiate between Scattering and Diffraction.

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

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May 2025 Differentiate between scattering and diffraction.

May 2023 What is the difference between diffraction and scattering? (2)
a) How and why do real gases deviate from ideality?

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

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May 2025 b) How does the behavior of real gases deviate from ideal gas behavior at high pressure or low temperature?

May 2025 Explain the deviation of real gases from ideal behavior.
b) What do you mean by critical phenomenon in gases? How are critical constants related to van der Waals constants?

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

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May 2025 a) Define the critical point of a substance and explain the relationship between critical constants and the van der Waals constants.

a) Derive Nernst Equation for the 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 calculation of cell e.m.f.

Dec 2023 Derive Nernst Equation and give its application.
b) Using Ellingham Diagram to explain carbon monoxide is a suitable reducing agent for oxide ore.

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

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Write short notes on the following :
a) Polarizability

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

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Dec 2024 What is polarizability?

Dec 2024 What is polarizability?
Write short notes on the following :
b) Penetration of molecular orbitals

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

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Write short notes on the following :
c) Atomic radius

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

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Write short notes on the following :
d) Co-ordination number.

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

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a) Draw all the stereoisomers of 3-chloro-2-pentanol

Long Answer Dec-2023 • PTU B-TECH

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b) Give conditions for a compound to show enantiomerism.

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

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c) Define linkage Isomerism.

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

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a) Compare SN1 and SN2 substitution reactions.

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

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b) 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 a) Write short notes on the following organic reactions: i) Oxidation reactions

Dec 2020 Write short notes on the following organic reactions : ”
b) 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 a) Write short notes on the following organic reactions: ii) Ring opening reactions

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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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