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Why oxygen behaves differently from other group 16 elements

This type of question, asked 4 times: 29 Jan 2024, 9 Apr 2024, 24 Jan 2025, 4 Apr 2026 S1. All 4 questions below, oldest first.

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  1. Question 1

    29 Jan 2024

    140
    Anomalous behaviour of oxygen is due to its

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  2. Question 2

    9 Apr 2024

    41
    Given below are two statements: one is labelled as Assertion (A) : and the other is labelled as Reason (R). Assertion (A): Both rhombic and monoclinic sulphur exist as S8S_{8} while oxygen exists as O2O_{2}. Reason (R): Oxygen forms pπp\pi-p π\pi multiple bonds with itself and other elements having small size and high electronegativity like CC, NN, which is not possible for sulphur. In the light of the above statements, choose the most appropriate answer from the options given below:

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  3. Question 3

    24 Jan 2025

    38
    The large difference between the melting and boiling points of oxygen and sulphur may be explained on the basis of

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  4. Question 4

    4 Apr 2026 S1

    34
    Given below are two statements : Statement I : The covalency of oxygen is generally two but it can exceed upto four. The oxidation state of oxygen in SO2{SO}_{2} is -2 and in OF2{OF}_{2} it is +2 . Statement II: The anomalous behavior of oxygen when compared to the other elements of group 16 is due to its small size and high electronegativity . In the light of the above statements, choose the correct answer from the options given below:

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