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Count the molecules with zero or non-zero dipole moment in a list

This type of question, asked 5 times: 25 Jun 2022, 27 Jan 2024, 29 Jan 2024, 4 Apr 2024, 5 Apr 2024. All 6 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    25 Jun 2022

    143
    Amongst BeF2,BF3,H2O,NH3,CCl4BeF_{2},BF_{3},H_{2}O,NH_{3},CCl_{4} and HClHCl, the number of molecules with non-zero net dipole moment is

  2. Question 2

    27 Jan 2024

    142
    The number of non-polar molecules from the following is _____
    HF,H2O,SO2,H2,CO2,CH4,NH3,HCl,CHCl3,BF3HF,H_{2}O,SO_{2},H_{2},CO_{2},CH_{4},NH_{3},HCl,CHCl_{3},BF_{3}

  3. Question 3

    27 Jan 2024

    39
    Choose the polar molecule from the following:

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  4. Question 4

    29 Jan 2024

    150
    The total number of molecules with zero dipole moment among CH4,BF3,H2O,HF,NH3,CO2CH_{4},BF_{3},H_{2}O,HF,NH_{3},CO_{2} and SO2SO_{2} is _____

  5. Question 5

    4 Apr 2024

    142
    Number of compounds/species from the following with non-zero dipole moment is _____
    BeCl2,BCl3,NF3,XeF4,CCl4,H2O,H2S,HBr,CO2,H2,HClBeCl_{2},BCl_{3},NF_{3},XeF_{4},CCl_{4},H_{2}O,H_{2}S,HBr,CO_{2},H_{2},HCl

  6. Question 6

    5 Apr 2024

    150
    Number of compounds from the following with zero dipole moment is ____ . HF,H2,H2 S,CO2,NH3,BF3,CH4,CHCl3,SiF4HF,H_{2},H_{2}\text{ }S,CO_{2},NH_{3},BF_{3},CH_{4},CHCl_{3},SiF_{4}, H2O,BeF2H_{2}O,BeF_{2}