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Day 308: JEE Mains Chemistry

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

  1. Question 1

    Biomolecules. Asked once: 27 Jul 2022 (same type asked 4 times) See all 4 of this type

    137
    Match List-I with List-II.
    List-IList-II
    (A) Glucose +HI+ HI(I) Gluconic acid
    (B) Glucose +Br2+ Br_{2} water(II) Glucose pentacetate
    (C) Glucose ++ acetic anhydride(III) Saccharic acid
    (D) Glucose +HNO3+ HNO_{3}(IV) Hexane
    Choose the correct answer from the options given below:

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  2. Question 2

    Chemical Kinetics. Asked once: 24 Jan 2023 (same type asked 4 times) See all 4 of this type

    52
    The number of correct statement/s from the following is A. Larger the activation energy, smaller is the value of the rate constant. B. The higher is the activation energy, higher is the value of the temperature coefficient. C. At lower temperatures, increase in temperature causes more change in the value of kk than at higher temperature D. A plot of ln⁡k\ln k vs 1T\frac{1}{T} is a straight line with slope equal to −EaR-\frac{E_{a}}{R}

  3. Question 3

    Some Basic Concepts of Chemistry. Asked once: 1 Feb 2024 (same type asked 4 times) See all 4 of this type

    47
    Given below are two statements: Statement (I): Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution. Statement (II): In this titration phenolphthalein can be used as indicator. In the light of the above statements, choose the most appropriate answer from the options given below:

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  4. Question 4

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 27 Jan 2024 (same type asked 4 times) See all 4 of this type

    121
    The order of relative stability of the contributing structure is: Choose the correct answer from the options given below:

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  5. Question 5

    The p-Block Elements. Asked once: 6 Apr 2023 (same type asked 4 times) See all 4 of this type

    132
    Formation of which complex, among the following, is not a confirmatory test of Pb2+Pb^{2 +} ions

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