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Chemistry Syllabus (JEE Main)

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Q. If x + 4 = 10, what is the value of x?
  • A. 4
  • B. 6
  • C. 8
  • D. 10
Q. If ΔG is negative for a reaction, what can be inferred about the reaction?
  • A. The reaction is at equilibrium.
  • B. The reaction is spontaneous.
  • C. The reaction is non-spontaneous.
  • D. The reaction requires energy input.
Q. If ΔG is negative for a reaction, what can be inferred?
  • A. The reaction is non-spontaneous.
  • B. The reaction is at equilibrium.
  • C. The reaction is spontaneous.
  • D. The reaction requires energy input.
Q. If ΔG is negative, what does it indicate about the reaction?
  • A. Reaction is at equilibrium
  • B. Reaction is spontaneous
  • C. Reaction is non-spontaneous
  • D. Reaction requires energy input
Q. If ΔG is positive, what can be inferred about the reaction?
  • A. The reaction is spontaneous.
  • B. The reaction is at equilibrium.
  • C. The reaction is non-spontaneous.
  • D. The reaction will proceed in reverse.
Q. If ΔH = 100 kJ and ΔS = 0.2 kJ/K, what is ΔG at 298 K?
  • A. 100 kJ
  • B. 96 kJ
  • C. 104 kJ
  • D. 90 kJ
Q. If ΔH is negative and ΔS is positive, what can be said about ΔG?
  • A. ΔG is always positive.
  • B. ΔG is always negative.
  • C. ΔG can be positive or negative depending on temperature.
  • D. ΔG is zero.
Q. In a binary solution of A and B, if component A has a higher vapor pressure than component B, what can be inferred about the solution?
  • A. It will show positive deviation from Raoult's Law.
  • B. It will show negative deviation from Raoult's Law.
  • C. It will have a lower boiling point than pure A.
  • D. It will have a higher boiling point than pure B.
Q. In a binary solution of A and B, if the mole fraction of A is 0.6, what is the mole fraction of B?
  • A. 0.4
  • B. 0.6
  • C. 1.0
  • D. 0.2
Q. In a binary solution of A and B, if the vapor pressure of A is 80 mmHg and that of B is 40 mmHg, what is the total vapor pressure when both are present?
  • A. 40 mmHg
  • B. 80 mmHg
  • C. 120 mmHg
  • D. 100 mmHg
Q. In a binary solution of A and B, if the vapor pressure of A is 80 mmHg and that of B is 40 mmHg, what is the total vapor pressure of the solution if the mole fraction of A is 0.75?
  • A. 60 mmHg
  • B. 70 mmHg
  • C. 80 mmHg
  • D. 90 mmHg
Q. In a binary solution of A and B, if the vapor pressure of pure A is 150 mmHg and pure B is 50 mmHg, what is the total vapor pressure when the mole fraction of A is 0.4?
  • A. 90 mmHg
  • B. 120 mmHg
  • C. 150 mmHg
  • D. 100 mmHg
Q. In a binary solution of A and B, if the vapor pressure of pure A is 80 mmHg and that of pure B is 40 mmHg, what is the vapor pressure of the solution if the mole fraction of A is 0.6?
  • A. 64 mmHg
  • B. 72 mmHg
  • C. 80 mmHg
  • D. 56 mmHg
Q. In a binary solution of A and B, if the vapor pressure of pure A is 80 mmHg and pure B is 40 mmHg, what is the vapor pressure of the solution if the mole fraction of A is 0.6?
  • A. 64 mmHg
  • B. 72 mmHg
  • C. 80 mmHg
  • D. 56 mmHg
Q. In a binary solution of A and B, if the vapor pressure of pure A is 80 mmHg and pure B is 40 mmHg, what is the vapor pressure of component A if the mole fraction of A is 0.6?
  • A. 48 mmHg
  • B. 64 mmHg
  • C. 80 mmHg
  • D. 32 mmHg
Q. In a binary solution of A and B, if the vapor pressure of pure A is 80 mmHg and that of pure B is 40 mmHg, what is the total vapor pressure when the mole fraction of A is 0.6?
  • A. 64 mmHg
  • B. 72 mmHg
  • C. 80 mmHg
  • D. 88 mmHg
Q. In a binary solution of A and B, if the vapor pressure of pure A is 80 mmHg and pure B is 40 mmHg, what is the total vapor pressure when the mole fraction of A is 0.5?
  • A. 60 mmHg
  • B. 70 mmHg
  • C. 80 mmHg
  • D. 50 mmHg
Q. In a chemical reaction, if the enthalpy change is positive, the reaction is classified as:
  • A. Exothermic
  • B. Endothermic
  • C. Isothermal
  • D. Adiabatic
Q. In a chemical reaction, if the enthalpy of products is less than that of reactants, what can be concluded?
  • A. The reaction is endothermic
  • B. The reaction is exothermic
  • C. The reaction is at equilibrium
  • D. The reaction is spontaneous
Q. In a closed system at equilibrium, if the pressure is increased, what will happen to the equilibrium position?
  • A. Shift to the side with more moles of gas
  • B. Shift to the side with fewer moles of gas
  • C. No change
  • D. Increase in temperature
Q. In a closed system at equilibrium, if the pressure is increased, what will happen to the equilibrium position if there are more moles of gas on the reactant side?
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Increase in temperature
Q. In a closed system at equilibrium, if the volume is decreased, what will happen to the equilibrium position?
  • A. Shift to the side with more moles of gas
  • B. Shift to the side with fewer moles of gas
  • C. No change
  • D. Increase in pressure
Q. In a closed system, if the temperature increases, what happens to the entropy?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It becomes zero
Q. In a closed system, if the volume is decreased, what will happen to the equilibrium of the reaction 2A(g) + B(g) ⇌ 3C(g)?
  • A. Shift to the left
  • B. Shift to the right
  • C. No change
  • D. Depends on temperature
Q. In a closed system, if the volume of gas is halved at constant temperature, what happens to the pressure?
  • A. Halved
  • B. Doubled
  • C. Remains the same
  • D. Increases four times
Q. In a concentration cell, the potential difference arises due to:
  • A. Different temperatures
  • B. Different concentrations
  • C. Different pressures
  • D. Different materials
Q. In a cyclic process, the net work done is equal to the:
  • A. Change in internal energy
  • B. Heat added to the system
  • C. Heat removed from the system
  • D. Net heat transfer
Q. In a Daniell cell, which metal is oxidized?
  • A. Copper
  • B. Zinc
  • C. Lead
  • D. Silver
Q. In a dynamic equilibrium, which of the following statements is true?
  • A. The rates of the forward and reverse reactions are equal
  • B. The concentrations of reactants and products are equal
  • C. The reaction has stopped
  • D. The system is at rest
Q. In a first-order reaction, if the concentration of the reactant is halved, what happens to the half-life?
  • A. It doubles
  • B. It remains the same
  • C. It is halved
  • D. It becomes zero
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Chemistry Syllabus (JEE Main) MCQ & Objective Questions

The Chemistry Syllabus for JEE Main is crucial for students aiming to excel in their exams. Understanding this syllabus not only helps in grasping fundamental concepts but also enhances performance in objective questions and MCQs. Regular practice with these types of questions is essential for scoring better and mastering important topics.

What You Will Practise Here

  • Basic Concepts of Chemistry
  • Atomic Structure and Chemical Bonding
  • States of Matter: Gases and Liquids
  • Thermodynamics and Thermochemistry
  • Equilibrium: Chemical and Ionic
  • Redox Reactions and Electrochemistry
  • Hydrocarbons and Environmental Chemistry

Exam Relevance

The Chemistry syllabus is a significant part of CBSE, State Boards, NEET, and JEE exams. Questions from this syllabus often appear in various formats, including multiple-choice questions, assertion-reason type questions, and numerical problems. Familiarity with the common question patterns can greatly enhance your exam preparation and confidence.

Common Mistakes Students Make

  • Misunderstanding the periodic trends and their implications.
  • Confusing different types of chemical bonds and their properties.
  • Neglecting to balance redox reactions properly.
  • Overlooking the significance of units in thermodynamic calculations.
  • Failing to apply concepts of equilibrium in problem-solving.

FAQs

Question: What are the key topics I should focus on in the Chemistry syllabus for JEE Main?
Answer: Focus on atomic structure, chemical bonding, thermodynamics, and equilibrium as they are frequently tested.

Question: How can I improve my performance in Chemistry MCQs?
Answer: Regular practice with past papers and understanding concepts deeply will help you tackle MCQs effectively.

Start your journey towards mastering the Chemistry Syllabus (JEE Main) by solving practice MCQs today. Test your understanding and build confidence for your exams!

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