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20 March, 23:35

Which answers show the bonds in order of decreasing polarity (least polar to most polar) ? Group of answer choices P-Cl, As-Cl, N-Cl As-Cl, N-Cl, P-Cl P-Cl, N-Cl, As-Cl As-Cl, P-Cl, N-Cl N-Cl, P-Cl, As-Cl

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  1. 20 March, 23:55
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    The order of decreasing bond polarity (most polar to least polar):

    As-Cl, P-Cl, N-Cl

    Also, the order of increasing bond polarity (least polar to most polar):

    N-Cl, P-Cl, As-Cl

    Explanation:

    Polar bonds are the chemical bonds in which the electrons are not shared equally between the two atoms due to the difference in electronegativity.

    As the electronegativity difference increases, the polarity of the chemical bond increases.

    In a periodic table, electronegativity of the elements increases across the period and decreases down the group. Thus, among the given elements, chlorine (Cl) is the most electronegative element, followed by nitrogen (N), phosphorus (P) and arsenic (As).

    The electronegativity values of the following elements are:

    Cl = 3.16

    N = 3.04

    P = 2.19

    As = 2.18

    Since, the difference in electronegativity is maximum between As and Cl, thus the As-Cl bond is the most polar bond.

    Also, the difference in electronegativity is minimum between N and Cl, thus the N-Cl bond is the least polar bond.

    Therefore, the order of decreasing bond polarity (most polar to least polar):

    As-Cl, P-Cl, N-Cl

    Also, the order of increasing bond polarity (least polar to most polar):

    N-Cl, P-Cl, As-Cl
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Home » Chemistry » Which answers show the bonds in order of decreasing polarity (least polar to most polar) ? Group of answer choices P-Cl, As-Cl, N-Cl As-Cl, N-Cl, P-Cl P-Cl, N-Cl, As-Cl As-Cl, P-Cl, N-Cl N-Cl, P-Cl, As-Cl
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