Chemistry Syllabus (JEE Main)

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Q. Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?
  • A. Arsenic
  • B. Calcium
  • C. Krypton
  • D. Titanium
Q. Which enzyme breaks down starch into glucose?
  • A. Amylase
  • B. Lactase
  • C. Sucrase
  • D. Cellulase
Q. Which enzyme is responsible for the hydrolysis of starch?
  • A. Amylase
  • B. Cellulase
  • C. Lactase
  • D. Maltase
Q. Which f-block element is known for its use in nuclear reactors?
  • A. Thorium
  • B. Cerium
  • C. Neodymium
  • D. Gadolinium
Q. Which factor does NOT affect the Gibbs Free Energy of a reaction?
  • A. Temperature
  • B. Pressure
  • C. Concentration of reactants
  • D. Nature of the solvent
Q. Which factor does NOT affect the Gibbs Free Energy of a system?
  • A. Temperature
  • B. Pressure
  • C. Concentration of reactants
  • D. Nature of the solvent
Q. Which functional group is present in alcohols?
  • A. Aldehyde
  • B. Hydroxyl
  • C. Carboxyl
  • D. Amine
Q. Which gas has the highest density at the same temperature and pressure?
  • A. He
  • B. Ar
  • C. N2
  • D. CO2
Q. Which gas has the highest rate of diffusion at a given temperature?
  • A. O2
  • B. N2
  • C. He
  • D. CO2
Q. Which gas is primarily responsible for the depletion of the ozone layer?
  • A. Carbon Dioxide
  • B. Chlorofluorocarbons
  • C. Methane
  • D. Nitrous Oxide
Q. Which gas is primarily responsible for the greenhouse effect?
  • A. Oxygen
  • B. Nitrogen
  • C. Carbon Dioxide
  • D. Hydrogen
Q. Which gas is produced during the reaction of an acid with a carbonate?
  • A. Oxygen
  • B. Hydrogen
  • C. Carbon dioxide
  • D. Nitrogen
Q. Which gas is produced when an acid reacts with a carbonate?
  • A. Oxygen
  • B. Carbon dioxide
  • C. Hydrogen
  • D. Nitrogen
Q. Which gas law relates pressure and temperature at constant volume?
  • A. Boyle's Law
  • B. Charles's Law
  • C. Avogadro's Law
  • D. Gay-Lussac's Law
Q. Which gas law relates the volume and temperature of a gas at constant pressure?
  • A. Boyle's Law
  • B. Charles's Law
  • C. Avogadro's Law
  • D. Graham's Law
Q. Which gas law relates volume and temperature at constant pressure?
  • A. Boyle's Law
  • B. Charles's Law
  • C. Avogadro's Law
  • D. Ideal Gas Law
Q. Which group of the periodic table contains the alkali metals?
  • A. Group 1
  • B. Group 2
  • C. Group 13
  • D. Group 18
Q. Which group of the periodic table contains the halogens?
  • A. Group 1
  • B. Group 2
  • C. Group 17
  • D. Group 18
Q. Which group of the periodic table contains the noble gases?
  • A. Group 1
  • B. Group 2
  • C. Group 17
  • D. Group 18
Q. Which haloalkane is expected to have the highest boiling point?
  • A. CH3Cl
  • B. C2H5Cl
  • C. C3H7Cl
  • D. C4H9Cl
Q. Which haloalkane is least soluble in water?
  • A. Chloroethane
  • B. Bromoethane
  • C. Iodoethane
  • D. Fluoroethane
Q. Which haloalkane would you expect to have the highest boiling point?
  • A. Chloroethane
  • B. Bromoethane
  • C. Iodoethane
  • D. Fluoroethane
Q. Which hybridization corresponds to a tetrahedral molecular geometry?
  • A. sp
  • B. sp2
  • C. sp3
  • D. dsp2
Q. Which is the correct order of adsorption strength from highest to lowest?
  • A. Physisorption > Chemisorption
  • B. Chemisorption > Physisorption
  • C. Physisorption = Chemisorption
  • D. None of the above
Q. Which isotope of hydrogen is known as deuterium?
  • A. H-1
  • B. H-2
  • C. H-3
  • D. H-4
Q. Which isotope of hydrogen is the most abundant?
  • A. Deuterium
  • B. Tritium
  • C. Protium
  • D. Hydrogen-3
Q. Which law states that energy cannot be created or destroyed?
  • A. Zeroth law
  • B. First law
  • C. Second law
  • D. Third law
Q. Which law states that the total enthalpy change for a reaction is the same, regardless of the number of steps in the reaction?
  • A. First Law of Thermodynamics
  • B. Second Law of Thermodynamics
  • C. Hess's Law
  • D. Gibbs Free Energy
Q. Which law states that the total enthalpy change for a reaction is the same, regardless of the number of steps taken?
  • A. First Law of Thermodynamics
  • B. Second Law of Thermodynamics
  • C. Hess's Law
  • D. Gibbs Free Energy
Q. Which law states that the total entropy of an isolated system can never decrease over time?
  • A. Zeroth Law
  • B. First Law
  • C. Second Law
  • D. Third Law
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