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Day 291: JEE Mains Chemistry

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

  1. Question 1

    The d- and f-Block Elements. Asked once: 29 Jan 2023 (same type asked 6 times) See all 6 of this type

    33
    The standard electrode potential (M3+/M2+)\left( M^{3 +}/M^{2 +} \right) for V,Cr,Mn&V,Cr,Mn\& Co are −0.26 V,−0.41 V,+1.57 V- 0.26\text{ }V, - 0.41\text{ }V, + 1.57\text{ }V and +1.97 V+ 1.97\text{ }V, respectively. The metal ions which can liberate H2H_{2} from a dilute acid are

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  2. Question 2

    Classification of Elements and Periodicity. Asked once: 25 Jan 2023 (same type asked 6 times) See all 6 of this type

    44
    Inert gases have positive electron gain enthalpy. Its correct order is

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  3. Question 3

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 2021 Paper 25 (same type asked 5 times) See all 5 of this type

    40
    Given below are two statements: Statement I: A mixture of chloroform and aniline can be separated by simple distillation Statement II: When separating aniline from a mixture of aniline and water by steam distillation aniline boils below its boiling point In the light of the above statements, choose the most appropriate answer from the options given below

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  4. Question 4

    The d- and f-Block Elements. Asked once: 29 Jul 2022 (same type asked 5 times) See all 5 of this type

    39
    In following pairs, the one in which both transition metal ions are colourless is:

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  5. Question 5

    Alcohols, Phenols and Ethers. Asked once: 2021 Paper 10 (same type asked 5 times) See all 5 of this type

    35
    Main Products formed during a reaction of 1-methoxy naphthalene with hydroiodic acid are:

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