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Count the species with a given shape in a list

This type of question, asked 8 times: 2021 Paper 21, 27 Jul 2022, 31 Jan 2023, 6 Apr 2023, 10 Apr 2023, 1 Feb 2024, 4 Apr 2024, 22 Jan 2025. All 9 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2021 Paper 21

    59
    The number of species having non-pyramidal shape among the following is (A) SO3SO_{3} (B) NO3−NO_{3}^{-} (C) PCl3PCl_{3} (D) CO32−CO_{3}^{2 -}

  2. Question 2

    27 Jul 2022

    148
    The number of molecule(s) or ion(s) from the following having non-planar structure is NO3−,H2O2,BF3,PCl3,XeF4NO_{3}^{-},H_{2}O_{2},BF_{3},PCl_{3},XeF_{4},
    SF4,XeO3,PH4+,SO3,[Al(OH)4]−SF_{4},XeO_{3},PH_{4}^{+},SO_{3},\left\lbrack Al(OH)_{4} \right\rbrack^{-}

  3. Question 3

    31 Jan 2023

    150
    Amongst the following, the number of species having the linear shape is XeF2,I3+,C3O2,I3−,CO2,SO2,BeCl2XeF_{2},I_{3}^{+},C_{3}O_{2},I_{3}^{-},CO_{2},SO_{2},BeCl_{2} and BCl2⊖BCl_{2}^{\ominus}

  4. Question 4

    6 Apr 2023

    146
    The number of species having a square planar shape from the following is____ XeF4,SF4,SiF4,BF4−,BrF4−,[Cu(NH3)4]2+XeF_{4},SF_{4},SiF_{4},BF_{4}^{-},BrF_{4}^{-},\left\lbrack Cu\left( NH_{3} \right)_{4} \right\rbrack^{2 +}, [FeCl4]2−,[PtCl4]2−\left\lbrack FeCl_{4} \right\rbrack^{2 -},\left\lbrack PtCl_{4} \right\rbrack^{2 -}

  5. Question 5

    6 Apr 2023

    56
    The number of species from the following which have square pyramidal structure is
    PF5,BrF4−,IF5;BrF5,XeOF4,ICl4−PF_{5},BrF_{4}^{-},IF_{5};BrF_{5},XeOF_{4},ICl_{4}^{-}

  6. Question 6

    10 Apr 2023

    52
    The number of bent-shaped molecule/s from the following is___
    N3−,NO2−,I3−,O3,SO2N_{3}^{-},NO_{2}^{-},I_{3}^{-},O_{3},SO_{2}

  7. Question 7

    1 Feb 2024

    55
    The number of molecules/ion/s having trigonal bipyramidal shape is .....
    PF5,BrF5,PCl5,[PtCl4]2−,BF3,Fe(CO)5PF_{5},BrF_{5},PCl_{5},\left\lbrack PtCl_{4} \right\rbrack^{2 -},BF_{3},Fe(CO)_{5}

  8. Question 8

    4 Apr 2024

    140
    The number of species from the following that have pyramidal geometry around the central atom is _____
    S2O32−,SO42−,SO32−,S2O72−S_{2}O_{3}^{2 -},SO_{4}^{2 -},SO_{3}^{2 -},S_{2}O_{7}^{2 -}

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  9. Question 9

    22 Jan 2025

    48
    The number of molecules/ions that show linear geometry among the following is _____\_\_\_\_\_ .
    SO2,BeCl2,CO2, N3−,NO2, F2O,XeF2,NO2+,I3−,O3SO_{2},BeCl_{2},CO_{2},{\text{ }N}_{3}^{-},NO_{2},{\text{ }F}_{2}O,XeF_{2},NO_{2}^{+},I_{3}^{-},O_{3}