The p-Block Elements

Bihar Board Class 12 · Chemistry · 73 past questions

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1. Q4 2026 Set A

   Sulphur molecule is

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2. Q8 2026 Set A

   The peroxy acid of sulphur is

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3. Q11 2026 Set A

   Which of the following is formed by the reaction of Hg with ozone ?

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4. Q15 2025 Set D

   Which of the following oxides is paramagnetic ?

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5. Q17 2025 Set D

   The hybridization of S in SO$_3$ is

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6. Q19 2025 Set D

   The number of unpaired electrons in one molecule of liquid oxygen is

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7. Q26 2023 Set F

   In which of the following oxidation state of oxygen is $+2$ ?

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8. Q32 2022 Set E

   The oxidation state of S in S$_8$ is

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9. Q33 2022 Set E

   Which of the following is the least volatile ?

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10. Q34 2022 Set E

    Which of the following acts both as oxidising as well as reducing agents ?

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11. Q40 2021 Set A

    The elements of group 16 are known as

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12. Q43 2019 Set D

    H$_2$SO$_4$ is a -

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13. Q44 2019 Set D

    Nitrogen & Oxygen are -

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14. Q49 2019 Set D

    Oleum is composed of H$_2$SO$_4$ and which constituent?

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15. Q62 2017

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16. Q73 2015

    $H_2SO_4$ is a/an

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