Solved question paper for Chem Dec-2024 (B-TECH 1st-2nd)

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Chemistry Dec-2024

PTU • B-TECH • Mechanical Engineering • 1st-2nd • Dec-2024

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 is Markovnikov's rule, and how does it apply to addition reactions?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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a) What are the different between E1 and E2 elimination reaction?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 What are the different between Eland E2 elimination reaction?
b) What is chirality and explain why certain molecules are chiral?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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May 2025 What is the difference between enantiomers and diastereomers?

May 2025 What is enantiomerism? Explain the requirement for enantiomerism.

Dec 2024 What is optical activity and how can it be used to distinguish between enantiomers?

Dec 2024 What are the differences between diastereoisomer and enantiomer?

Dec 2024 What are the differences between diastereoisomer and enantiomer?

Dec 2024 What is optical activity and how it can be used to distinguish between enantiomers?

Dec 2024 What is chirality and explain why certain molecules are Chiral?

Dec 2023 a)“ Define chirality. What are chiral molecules?

Dec 2023 Whatis diastereomerism? Explain by giving at Icast two examples.
a) Perform a conformational analysis of Ethane and illustrate the potential energy diagram for its various conformations.

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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May 2025 a) Give the conformational analysis of Propane by drawing the potential energy diagram for various conformations of it.

Dec 2024 Perform a conformational] analysis of Ethane and illustrate the potential energy diagram for its various conformations.

b) Explain electron affinity and its trend across periods and groups of the periodic table giving suitable reasoning.

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 Explain electron affinity and its trend across periods and groups of the Periodic table giving suitable reasoning,
a) Explain the concept of Hard and Soft Acids and Bases (HSAB) and give examples of each.

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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b) What is the relationship between free energy and the electromotive force (emf) of a cell?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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a) What is electrochemical corrosion, and how does it differ from dry corrosion?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 What is electrochemical corrosion? Discuss its various types.

Dec 2024 What is electrochemical corrosion? Discuss its various types.

Dec 2024 Whatis electrochemical carrosion, and how does it differ from dry corrosion?

b) Describe Boyle's Law and Charles's Law. Also derive the ideal gas equation.

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 Describe Boyle\'s Law and Charles\'s Law, Also derive the ideal gas equation,
a) What is the van der Waals equation of state, and how does it describe the behavior of real gases?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 What is the van der Waals equation of state, and how does it describe the behavior of real pases?

Dec 2023 Explain in detail the vander waal Equation of state for real gases.
b) List two factors that can affect the wavelength (\(\lambda_{max}\)) and intensity of absorption bands in electronic spectroscopy. Also explain the reason.

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 List two factors that can affect the wavelength (Amax) and intensity of absorption bands in electronic Spectroscopy. Also explain the reason.
a) What are the selection rules for vibrational and rotational transitions in diatomic molecules?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 What are the selection rules for Vibrational and rotational transitions in diatomic molecules?

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

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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

Dec 2023 a) What is Fluorescence? Discuss its applications in medicines.
a) Provide the molecular orbital energy level diagram for nitrogen (N2). Based on this diagram, determine the bond order, discuss the molecule's stability, and explain whether it is paramagnetic or diamagnetic.

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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Dec 2024 Provide the molecular Orbital energy level diagram for nitrogen (N2). Based on this diagram, determine the bond order, discuss the molecule\'s Stability, and explain Whether it js paramagnetic or diamagnetic,
b) Give the solution to the Schrodinger equation for a particle in a one-dimensional box.

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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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 2023 a) Discuss the Schrodinger wave equation for particle in one dimensional box and relate important results from it.

Dec 2020 Solve the Schrodinger wave equation for particle in one-dimensional box. (6)
a) How can you explain the splitting of d-orbitals in an octahedral crystal field?

Long Answer 8 Marks Dec-2024 • PTU B-TECH

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May 2025 b) Explain how d-orbitals split in a tetrahedral crystal field. Why crystal field splitting in tetrahedral environment is lower than the octahedral environment?

Dec 2024 How can you explain the Splitting of d-orbitals in an octahedral crysta] field?

How does a free radical addition reaction occur?

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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Dec 2024 How does a free radical addition reaction occur? 1 | 1i-93%99 (S\'s1765 BR papel a3
What is optical activity and how can it be used to distinguish between enantiomers?

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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May 2025 What is the difference between enantiomers and diastereomers?

May 2025 What is enantiomerism? Explain the requirement for enantiomerism.

Dec 2024 b) What is chirality and explain why certain molecules are chiral?

Dec 2024 What are the differences between diastereoisomer and enantiomer?

Dec 2024 What are the differences between diastereoisomer and enantiomer?

Dec 2024 What is optical activity and how it can be used to distinguish between enantiomers?

Dec 2024 What is chirality and explain why certain molecules are Chiral?

Dec 2023 a)“ Define chirality. What are chiral molecules?

Dec 2023 Whatis diastereomerism? Explain by giving at Icast two examples.
What is ionization energy, and how does it vary across periods and groups in the periodic table?

Very Short Answer 2 Marks Dec-2024 • 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? 7

Dec 2023 a) What is ionization energy? Which elements have the highest ionization energy? How it shows variation along the period and down the group?

Dec 2020 What is ionization energy? Which elements have the highest ionization energy? (2)
What is the hardness of water? Differentiate between temporary and permanent hardness.

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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How does the zeolite process work in softening of hard water?

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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Dec 2024 How does the zeolite process work in softening of hard water? &) What is the hardness of ‘Water? Differentiate between temporary and permanent hardness,

Dec 2023 Discuss the Zeolite process for softening of water. 2 |
What are ionic interactions, and how do they differ from dipolar interactions?

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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May 2025 What are Van der Waals interactions, and how do they differ from ionic and dipolar interactions?

May 2025 What are dipole-dipole interactions? Explain.
Write the expression for the energy levels of a diatomic molecule in rotational spectroscopy.

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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Define chromophores and auxochromes. How do they influence the absorption spectrum of a molecule?

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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Explain how n-type and p-type doping modify the band structure of a semiconductor and affect its conductivity?

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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May 2025 a) What is the effect of doping on-the band structure of semiconductors and how does it influence their electrical conductivity?
What does ψ represent in the context of the Schrodinger wave equation?

Very Short Answer 2 Marks Dec-2024 • PTU B-TECH

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Dec 2024 What does y’ represent in the context of the Schrodinger wave equation?

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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-2024 (B-TECH 1st-2nd)

Chemistry Dec-2024

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