Arjuna JEE 2025 Board Pattern Test - 02
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Questions and Answers

What is the compressibility factor, Z, for an ideal gas?

  • Infinity
  • 0
  • Varies with temperature
  • 1 (correct)
  • Which of the following species can act as both a Bronsted acid and a base?

  • H2O (correct)
  • NaCl
  • NH4+
  • MgO
  • Which species has the highest oxidation number of chlorine?

  • Cl2O7 (correct)
  • NaClO4
  • NaClO3
  • ClO2
  • In a scenario adjusting temperature and pressure, according to the Le Chatelier principle, decreasing the temperature favors which type of reaction?

    <p>Exothermic reactions</p> Signup and view all the answers

    What is the main difference between molarity and molality?

    <p>Molarity is dependent on temperature; molality is not</p> Signup and view all the answers

    What is the characteristic of the entropy change in a reversible adiabatic process?

    <p>Always zero</p> Signup and view all the answers

    What is the oxidation state of sulfur in Na2S4O6?

    <p>+4</p> Signup and view all the answers

    Which of the following options correctly describes a Bronsted base?

    <p>A substance that accepts protons</p> Signup and view all the answers

    Which factor does NOT affect entropy changes in a system?

    <p>Rate of reaction</p> Signup and view all the answers

    What is the conjugate base of HCO3-?

    <p>CO3^2-</p> Signup and view all the answers

    Which quantum number set corresponds to a p orbital?

    <p>n = 2, l = 1</p> Signup and view all the answers

    How does the average atomic mass of hydrogen compare to other elements?

    <p>It has the lowest atomic mass among all elements.</p> Signup and view all the answers

    For an ideal gas, which conditions must be met for it to behave ideally?

    <p>High pressure and very high temperature</p> Signup and view all the answers

    Which combination indicates a gas that expands isothermally and reversibly?

    <p>Constant temperature, increasing volume</p> Signup and view all the answers

    What is the correct pattern of oxidation states from Boron to Thallium?

    <p>Oxidation states increase to Tl and then decrease</p> Signup and view all the answers

    Which of the following statements correctly describes the change in equilibrium when the pressure is increased by reducing the volume of a gas container?

    <p>Concentration of all components at equilibrium will change.</p> Signup and view all the answers

    Calculate $ riangle U$, $w$, and $q$ for the isothermal expansion of 0.75 mol of ideal gas from 15 L to 25 L at 27°C.

    <p>w is negative, q is positive</p> Signup and view all the answers

    Which equation was proposed by de Broglie related to wave-particle duality?

    <p>$2\pi r = n\lambda$</p> Signup and view all the answers

    Which of the following compounds has a zero dipole moment?

    <p>CO2</p> Signup and view all the answers

    Which statement regarding the first ionization energies of Na, Mg, Al, and Si is correct?

    <p>Na &lt; Mg &lt; Al &lt; Si</p> Signup and view all the answers

    In which of the following processes is entropy ($\Delta S$) expected to be positive?

    <p>Dissolution of salt in water</p> Signup and view all the answers

    Which statement is NOT correct regarding Gibbs free energy ($\Delta G$) and spontaneous reactions?

    <p>$\Delta G$ is positive for a spontaneous reaction.</p> Signup and view all the answers

    What is the total number of orbitals associated with the third shell in an atom?

    <p>9</p> Signup and view all the answers

    Study Notes

    Arjuna JEE (2025) Board Pattern Test - 02

    • Date: 10/11/2024
    • Maximum Marks: 220
    • Duration: 3 hours per subject

    Topics Covered

    • Physics: Units and Measurements, Mathematical Tools, Motion in a Straight Line, Motion in a Plane, Laws of Motion, Circular Motion, Work, Energy and Power, Centre of Mass, System of Particles
    • Chemistry: Atomic Structure, Mole Concept, States of Matter, Thermodynamics, Chemical Equilibrium, Ionic Equilibrium, Redox Reactions, Periodic Table, and Classification, Chemical Bonding and Molecular Structure, P-block elements (group 13 and 14).
    • Mathematics: Basic Mathematics, Sets, Relations, Functions, Trigonometric Functions, Trigonometric Equations, Quadratic Equations, Complex Numbers, Sequences and Series, Permutations and Combinations, Binomial Theorem, Straight Lines, Circles.

    General Instructions

    • Fill in all details on the test booklet.
    • Total questions: 104
    • The test consists of 5 sections for each subject: Physics - 5 Sections, Chemistry - 4 Sections, Mathematics - 5 Sections.
    • No textual materials or electronic devices allowed inside the examination room except the test booklet.
    • Return the answer sheet to the Invigilator on completion of the test. You are allowed to take the test booklet.
    • Do not fold or make any stray marks on the OMR answer sheet. 
    • Use a dark blue or black ballpoint pen to fill in the bubbles on the OMR answer sheet, completely. Avoid using pencils or white-out.
    • Only write answers in the specified areas on the OMR answer sheet.

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    Description

    Prepare for the Arjuna JEE 2025 Board Pattern Test with this comprehensive quiz covering essential topics in Physics, Chemistry, and Mathematics. This test is designed to assess your knowledge and readiness across various critical subjects, including motion, chemical bonding, and trigonometric functions. Test your skills and get ready to excel in the upcoming exams.

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