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Day 185: JEE Mains Chemistry

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

  1. Question 1

    Equilibrium. Asked once: 21 Jan 2026 S2 (same type asked 2 times) See all 2 of this type

    46
    The first and second ionization constants of H2XH_{2}X are 2.5×10−82.5 \times 10^{- 8} and 1.0×10−131.0 \times 10^{- 13} respectively. The concentration of X2−X^{2 -} in 0.1MH2X0.1MH_{2}X solution is ____\_\_\_\_ ×10−15M\times 10^{- 15}M. (Nearest Integer)

  2. Question 2

    Coordination Compounds. Asked once: 24 Jan 2026 S2 (same type asked 2 times) See all 2 of this type

    48
    A chromium complex with a formula CrCl3⋅6H2O{CrCl}_{3} \cdot 6H_{2}O has a spin only magnetic moment value of 3.87 BM and its solution conductivity corresponds to 1:21:2 electrolyte. 2.75 g of the complex solution was initially passed through a cation exchanger. The solution obtained after the process was reacted with excess of AgNO3{AgNO}_{3}. The amount of AgCl formed in the above process is ____\_\_\_\_ g. (Nearest integer) [Given : Molar mass in gmol−1Cr:52;Cl:35.5g{mol}^{- 1}Cr:52;Cl:35.5, Ag:108,O:16,H:1]Ag:108,O:16,H:1\rbrack

  3. Question 3

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 26 Jul 2022 (same type asked 2 times) See all 2 of this type

    133
    The correct decreasing order of priority of functional groups in naming an organic compound as per IUPAC system of nomenclature is:

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  4. Question 4

    Amines. Asked once: 28 Jun 2022 (same type asked 2 times) See all 2 of this type

    47
    A primary aliphatic amine on reaction with nitrous acid in cold (273 K)(273\text{ }K) and there after raising temperature of reaction mixture to room temperature (298 K). Gives a/an

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  5. Question 5

    Electrochemistry. Asked once: 4 Apr 2024 (same type asked 2 times) See all 2 of this type

    137
    For a strong electrolyte, a plot of molar conductivity against (concentration)  1/2\ ^{1/2} is a straight line, with a negative slope, the correct unit for the slope is

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