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Day 344: JEE Mains Chemistry

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

  1. Question 1

    Chemical Bonding and Molecular Structure. Asked once: 6 Apr 2024 (same type asked 15 times) See all 15 of this type

    131
    Given below are two statements: Statement I: PF5PF_{5} and BrF5BrF_{5} both exhibit sp3 dsp^{3}\text{ }d hybridisation. Statement II: Both SF6SF_{6} and [Co(NH3)6]3+\left\lbrack Co\left( NH_{3} \right)_{6} \right\rbrack^{3 +} exhibit sp3 d2sp^{3}{\text{ }d}^{2} hybridisation. In the light of the above statements, choose the correct answer from the options given below:

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  2. Question 2

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 22 Jan 2025 (same type asked 15 times) See all 15 of this type

    38
    The IUPAC name of the following compound is :

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  3. Question 3

    Some Basic Concepts of Chemistry. Asked once: 1 Feb 2024 (same type asked 14 times) See all 14 of this type

    59
    Consider the following reaction:
    3PbCl2+2(NH4)3PO4→Pb3(PO4)2+6NH4Cl3PbCl_{2}+ 2\left( NH_{4} \right)_{3}PO_{4}\rightarrow Pb_{3}\left( PO_{4} \right)_{2}+ 6NH_{4}Cl
    If 72mmol72mmol of PbCl2PbCl_{2} is mixed with 50mmol50mmol of (NH4)3PO4\left( NH_{4} \right)_{3}PO_{4}, then amount of Pb3(PO4)2Pb_{3}\left( PO_{4} \right)_{2} formed is ...... mmol. (nearest integer)

  4. Question 4

    Chemical Bonding and Molecular Structure. Asked once: 30 Jan 2024 (same type asked 13 times) See all 13 of this type

    129
    The molecule/ion with square pyramidal shape is:

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  5. Question 5

    Coordination Compounds. Asked once: 9 Apr 2024 (same type asked 12 times) See all 12 of this type

    127
    Match List I with List II
    LIST-ILIST-II
    A.
    K2[Ni(CN)4]K_{2}\left\lbrack Ni(CN)_{4} \right\rbrack
    		I.
    sp3sp^{3}
    B.
    [Ni(CO)4]\left\lbrack Ni(CO)_{4} \right\rbrack
    		II.
    sp3 d2sp^{3}{\text{ }d}^{2}
    C.
    [Co(NH3)6]Cl3\left\lbrack Co\left( NH_{3} \right)_{6} \right\rbrack Cl_{3}
    		III.
    dsp2dsp^{2}
    D.
    Na3[CoF6]Na_{3}\left\lbrack CoF_{6} \right\rbrack
    		IV.
    d2sp3d^{2}sp^{3}
    Choose the correct answer from the options given below:

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