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Day 331: JEE Mains Chemistry

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

  1. Question 1

    Biomolecules. Asked once: 2021 Paper 21 (same type asked 6 times) See all 6 of this type

    47
    Hydrolysis of sucrose gives:

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  2. Question 2

    The d- and f-Block Elements. Asked once: 8 Apr 2023 (same type asked 6 times) See all 6 of this type

    43
    In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of Ti : 22, V : 23, Cr:24, Mn : 25, Fe : 26)

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  3. Question 3

    The d- and f-Block Elements. Asked once: 31 Jan 2024 (same type asked 6 times) See all 6 of this type

    138
    Choose the correct statements from the following (A) Mn2O7Mn_{2}O_{7} is an oil at room temperature (B) V2O4V_{2}O_{4} reacts with acid to give VO22+VO_{2}^{2 +} (C) CrO is a basic oxide (D) V2O5V_{2}O_{5} does not react with acid Choose the correct answer from the options given below:

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  4. Question 4

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 15 Apr 2023 (same type asked 6 times) See all 6 of this type

    47
    Which of the following statement is correct for paper chromatography?

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  5. Question 5

    The d- and f-Block Elements. Asked once: 2021 Paper 24 (same type asked 6 times) See all 6 of this type

    50
    Identify the element for which electronic configuration in +3 oxidation state is [Ar]3 d5\lbrack Ar\rbrack 3{\text{ }d}^{5} :

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