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Day 206: JEE Mains Chemistry

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

  1. Question 1

    Some Basic Concepts of Chemistry. Asked once: 2021 Paper 22 (same type asked 2 times) See all 2 of this type

    46
    Which one of the following is the correct PV vs PP plot at constant temperature for an ideal gas ? (P and VV stand for pressure and volume of the gas respectively)

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  2. Question 2

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 25 Jun 2022 (same type asked 2 times) See all 2 of this type

    139
    Which of the following ketone will NOT give enamine on treatment with secondary amines? [where t−But - Bu is −C(CH3)3- C\left( CH_{3} \right)_{3} ]

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  3. Question 3

    Classification of Elements and Periodicity. Asked once: 2021 Paper 6 (same type asked 2 times) See all 2 of this type

    45
    The characteristics of elements X,YX,Y and ZZ with atomic numbers, respectively, 33, 53 and 83 are

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  4. Question 4

    Electrochemistry. Asked once: 2021 Paper 24 (same type asked 2 times) See all 2 of this type

    59
    If the conductivity of mercury at 0∘C0^{\circ}C is 1.07×1061.07 \times10^{6} Sm−1Sm^{- 1} and the resistance of a cell containing mercury is 0.243Ω0.243\Omega, then the cell constant of the cell is x×104 m−1x \times10^{4}{\text{ }m}^{- 1}. The value of xx is .(Nearest integer)

  5. Question 5

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 2021 Paper 16 (same type asked 2 times) See all 2 of this type

    31
    Which gives orange colour with 2,4 DNP?

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