PYQ Vault
EbooksTutor

Day 456: JEE Mains Chemistry

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

  1. Question 1

    Chemical Thermodynamics. Asked once: 28 Jan 2025

    108
    An ideal gas undergoes a cyclic transformation starting from the point A and coming back to the same point by tracing the path A→B→C→D→AA \rightarrow B \rightarrow C \rightarrow D \rightarrow A as shown in the three cases above. Choose the correct option regarding ΔU\Delta U.

    Tap an option to check your answer.

  2. Question 2

    Classification of Elements and Periodicity. Asked once: 8 Apr 2024

    136
    Identify the correct statements about p-block elements and their compounds. (A) Non-metals have higher electronegativity than metals. (B) Non- metals have lower ionisation enthalpy than metals. (C) Compounds formed between highly reactive nonmetals and highly reactive metals are generally ionic. (D) The non-metal oxides are generally basic in nature. (E) The metal oxides are generally acidic or neutral in nature.

    Tap an option to check your answer.

  3. Question 3

    Coordination Compounds. Asked once: 26 Jun 2022

    57
    The spin-only magnetic moment value of an octahedral complex among CoCl3.4NH3CoCl_{3}.4NH_{3}, NiCl2⋅6H2ONiCl_{2}\cdot 6H_{2}O and PtCl4⋅2HClPtCl_{4}\cdot 2HCl, which upon reaction with excess of AgNO3AgNO_{3} gives 2 moles of AgClAgCl is ____ B.M. (Nearest Integer)

  4. Question 4

    Electrochemistry. Asked once: 4 Apr 2024

    37
    One of the commonly used electrode is calomel electrode. Under which of the following categories calomel electrode comes?

    Tap an option to check your answer.

  5. Question 5

    Equilibrium. Asked once: 10 Apr 2023

    51
    The number of correct statement/s involving equilibria in physical process from the following is (A) Equilibrium is possible only in a closed system at a given temperature (B) Both the opposing processes occur at the same rate. (C) When equilibrium is attained at a given temperature, the value of all its parameters became equal (D) For dissolution of solids in liquids, the solubility is constant at a given temperature