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Day 145: JEE Mains Chemistry

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

  1. Question 1

    Coordination Compounds. Asked once: 22 Jan 2025 (same type asked 4 times) See all 4 of this type

    123
    The complex of Ni2+Ni^{2 +} ion and dimethyl glyoxime contains____ number of Hydrogen (H)(H) atoms.

  2. Question 2

    Hydrocarbons. Asked once: 1 Feb 2024 (same type asked 4 times) See all 4 of this type

    132
    In the given reactions identify AA and BB.

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  3. Question 3

    Biomolecules. Asked once: 31 Jan 2024 (same type asked 4 times) See all 4 of this type

    48
    Match List I with List II
    LIST-ILIST-II
    A.Glucose/NaHCO3NaHCO_{3}/Δ\DeltaI.Gluconic acid
    B.Glucose/HNO3HNO_{3}II.No reaction
    C.Glucose/HI/ Δ\DeltaIII.n-hexane
    D.Glucose/Bromine waterIV.Saccharic acid
    Choose the correct answer from the options given below:

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  4. Question 4

    Chemical Kinetics. Asked once: 3 Apr 2025 (same type asked 4 times) See all 4 of this type

    120
    Consider the following statements related to temperature dependence of rate constants. Identify the correct statements, A. The Arrhenius equation holds true only for an elementary homogenous reaction. B. The unit of A is same as that of k in Arrhenius equation. C. At a given temperature, a low activation energy means a fast reaction. D. A and Ea as used in Arrhenius equation depend on temperature. E. When Ea >> RT. A and Ea become interdependent. Choose the correct answer from the options given below :

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  5. Question 5

    Some Basic Concepts of Chemistry. Asked once: 3 Apr 2025 (same type asked 4 times) See all 4 of this type

    106
    Compounds that should not be used as primary standards in titrimetric analysis are A. Na2Cr2O7{Na}_{2}{Cr}_{2}O_{7} B. Oxalic acid C. NaOH D. FeSO4⋅6H2O{FeSO}_{4} \cdot 6H_{2}O E. Sodium tetraborate Choose the most appropriate answer from the options given below:

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