PYQ Vault

Day 505: JEE Mains Chemistry

5 questions. Try each one first, then open its answer.

  1. Question 1

    Chemical Thermodynamics. Asked once: 11 Apr 2023

    147
    The total number of intensive properties from the following is___ Volume, Molar heat capacity, Molarity, EθE^{\theta} cell, Gibbs free energy change, Molar mass, Mole
  2. Question 2

    Classification of Elements and Periodicity. Asked once: 13 Apr 2023

    47
    Which of the following statements are not correct? (A) The electron gain enthalpy of FF is more negative than that of ClCl (B) Ionization enthalpy decreases in a group of periodic table (C) The electronegativity of an atom depends upon the atoms bonded to it. (D) Al2O3Al_{2}O_{3} and NONO are examples of amphoteric oxides. Choose the most appropriate answer from the options given below:

    Tap an option to check your answer.

  3. Question 3

    Electrochemistry. Asked once: 25 Jun 2022

    129
    The correct order of reduction potentials of the following pairs is A. Cl2/Cl−Cl_{2}/Cl^{-} B. I2/II_{2}/I C. Ag+/AgAg^{+}/Ag D. Na+/NaNa^{+}/Na E. Li+/LiLi^{+}/Li Choose the correct answer from the options given below.

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  4. Question 4

    Haloalkanes and Haloarenes. Asked once: 10 Apr 2023

    50
    Identify the correct order of reactivity for the following pairs towards the respective mechanism (A) (B) (C) Electrophilic substitution (D) Nucleophilic substitution Choose the correct answer from the options given below:

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  5. Question 5

    Hydrocarbons. Asked once: 9 Apr 2024

    148
    Number of compounds from the following which cannot undergo Friedel-Crafts reactions is :______toluene, nitrobenzene, xylene, cumene, aniline, chlorobenzene, m-nitroaniline, m-dinitrobenzene