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Day 6: JEE Mains Chemistry

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

  1. Question 1

    Some Basic Concepts of Chemistry. This type asked 8 times: 25 Jun 2022, 29 Jul 2022, 13 Apr 2023, 24 Jan 2025, 4 Apr 2025, 21 Jan 2026 S2, 2 Apr 2026 S1, 5 Apr 2026 S1. This one: 5 Apr 2026 S1 See all 8 of this type

    26
    How many grams of residue is obtained by heating 2.76 g of silver carbonate? (Given : Molar mass of C,OC,O and Ag are 12, 16 and 108 g mol−1108\text{ }g{\text{ }mol}^{- 1} respectively)

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  2. Question 2

    Some Basic Concepts of Chemistry. This type asked 8 times: 2021 Paper 14, 2021 Paper 17, 2021 Paper 20, 28 Jun 2022, 27 Jul 2022, 4 Apr 2024, 23 Jan 2026 S2, 4 Apr 2026 S1. This one: 4 Apr 2026 S1 See all 8 of this type

    31
    In order to oxidise a mixture of 1 mole each of FeC2O4,Fe2(C2O4)3,FeSO4FeC_{2}O_{4},Fe_{2}\left( C_{2}O_{4} \right)_{3},FeSO_{4} and Fe2(SO4)3Fe_{2}\left( SO_{4} \right)_{3} in acidic medium, the number of moles of KMnO4KMnO_{4} required is :

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  3. Question 3

    Classification of Elements and Periodicity. This type asked 8 times: 4 Apr 2024, 24 Jan 2025, 21 Jan 2026 S2, 22 Jan 2026 S2, 23 Jan 2026 S2, 24 Jan 2026 S1, 2 Apr 2026 S1, 2 Apr 2026 S2. This one: 2 Apr 2026 S2 See all 8 of this type

    34
    Given below are two statements : Statement-I : The second ionization enthalpy of B,AlB,Al and Ga is in the order of B>Al>GaB > Al > Ga. Statement-II : The correct order in terms of first ionization enthalpy is Si<Ge<Pb<SnSi < Ge < Pb < Sn. In the light of the above statements, choose the correct answer from the options given below :

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  4. Question 4

    Classification of Elements and Periodicity. This type asked 8 times: 2021 Paper 1, 2021 Paper 17, 25 Jul 2022, 27 Jul 2022, 11 Apr 2023, 29 Jan 2024, 4 Apr 2024, 23 Jan 2026 S1. This one: 23 Jan 2026 S1 See all 8 of this type

    28
    The correct trend in the first ionization enthalpies of the elements in the 3rd 3^{\text{rd~}} period of periodic table is:

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  5. Question 5

    The p-Block Elements. This type asked 8 times: 29 Jan 2023, 4 Apr 2024, 5 Apr 2024, 9 Apr 2024, 2 Apr 2025, 3 Apr 2025, 4 Apr 2025, 23 Jan 2026 S1. This one: 23 Jan 2026 S1 See all 8 of this type

    44
    The correct statements from the following are : (A) Ionic radii of trivalent cations of group 13 elements decreases down the group. (B) Electronegativity of group 13 elements decreases down the group. (C) Among the group 13 elements, Boron has highest first ionisation enthalpy. (D) The trichloride and triiodide of group 13 elements are covalent in nature. Choose the correct answer from the options given below :

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