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Day 102: JEE Mains Chemistry

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

  1. Question 1

    The p-Block Elements. This type asked 2 times: 30 Jan 2024, 31 Jan 2024. This one: 31 Jan 2024 See all 2 of this type

    136
    Given below are two statements: Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their covalent nature. Statement II: AlCl3AlCl_{3} upon hydrolysis in acidified aqueous solution forms octahedral [Al(H2O)6]3+\left\lbrack Al\left( H_{2}O \right)_{6} \right\rbrack^{3 +} ion. In the light of the above statements, choose the correct answer from the options given below:

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  2. Question 2

    Classification of Elements and Periodicity. This type asked 2 times: 25 Jul 2022, 30 Jan 2024. This one: 30 Jan 2024 See all 2 of this type

    54
    if IUPAC name of an element is "Unununnium" then the element belongs to nth group of periodic table. The value of nn is ____

  3. Question 3

    Organic Chemistry - Some Basic Principles and Techniques. This type asked 2 times: 29 Jan 2024, 30 Jan 2024. This one: 30 Jan 2024 See all 2 of this type

    146
    Number of geometrical isomers possible for the given structure is/are____

  4. Question 4

    Structure of Atom. This type asked 2 times: 25 Jul 2022, 30 Jan 2024. This one: 30 Jan 2024 See all 2 of this type

    150
    Number of spectral lines obtained in He+He^{+}spectra, when an electron makes transition from fifth excited state to first excited state will be

  5. Question 5

    The d- and f-Block Elements. This type asked 2 times: 27 Jan 2024, 30 Jan 2024. This one: 30 Jan 2024 See all 2 of this type

    138
    AA and BB formed in the following reactions are:
    CrO2Cl2+4NaOH→A+2NaCl+2H2OA+2HCl+2H2O2→B+3H2O\begin{matrix} & CrO_{2}Cl_{2}+ 4NaOH \rightarrow A + 2NaCl + 2H_{2}O \\ & A + 2HCl + 2H_{2}O_{2}\rightarrow B + 3H_{2}O \end{matrix}

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