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Day 188: JEE Mains Chemistry

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

  1. Question 1

    Hydrocarbons. Asked once: 30 Jan 2024 (same type asked 2 times) See all 2 of this type

    47
    Compound AA formed in the following reaction reacts with BB gives the product CC. Find out AA and BB.

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  2. Question 2

    The p-Block Elements. Asked once: 28 Jun 2022 (same type asked 2 times) See all 2 of this type

    37
    Given below are two statements: Statement -I: The pentavalent oxide of group- 15 element. E2O5E_{2}O_{5}. is less acidic than trivalent oxide. E2O3E_{2}O_{3}. of the same element. Statement -II: The acidic character of trivalent oxide of group 15 elements. E2O3E_{2}O_{3}. decreases down the group. In light of the above statements. choose most appropriate answer from the options given below:

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  3. Question 3

    Haloalkanes and Haloarenes. Asked once: 8 Apr 2024 (same type asked 2 times) See all 2 of this type

    32
    Which among the following compounds will undergo fastest SN2S_{N}2 reaction?

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  4. Question 4

    Solutions. Asked once: 14 Jun 2022 (same type asked 2 times) See all 2 of this type

    53
    The osmotic pressure of blood is 7.47 bar at 300 K300\text{ }K. To inject glucose to a patient intravenously, it has to be isotonic with blood. The concentration of glucose solution in g L−1g\ L^{-1} is (Molar mass of glucose =180 g mol−1= 180\text{ }g\text{ }mol^{-1}, R=0.083 L bar K−1 mol−1R = 0.083\text{ }L\ bar\ K^{-1}\text{ }mol^{-1}) (Nearest integer)

  5. Question 5

    Classification of Elements and Periodicity. Asked once: 22 Jan 2025 (same type asked 2 times) See all 2 of this type

    31
    Match List-I with List-II
    List-IList-II
    (A)Al3+<Mg2+<Na+<F−Al^{3 +}<Mg^{2 +}<Na^{+}<F^{-}(I)Ionisation Enthalpy
    (B)B<C<O<NB < C < O < N(II)Metallic character
    (C)B<Al<Mg<KB < Al < Mg < K(III)Electronegativity
    (D)Si<P<S<ClSi < P < S < Cl(IV)Ionic radii
    Choose the correct answer from the options given below :

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