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18 December, 03:53

Determine which statements are true and which are false. PAH is an acronym for polycyclic aromatic hydrogen. PAHs interact with a zeolite by intercalating into the pores. A zeolite sequcsters PAHs by the formation of permanent covalent bonds.

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  1. 18 December, 04:17
    0
    1st statement false, 2nd statement true & 3rd statement false.

    Explanation:

    The task is to determined which sentence is true or false

    PAH is Polycyclic aromatic hydrocarbons. Hydrogen is wrong.

    Intercalation - is the reversible insertion of a molecule between two others.

    Zeolites are minerals such as aluminosilicates of sodium, potassium, calcium or magnesium, that have a porous structure; they are used in water softeners and in ion exchange chromatography.

    PAHs indeed interact with a zeolite by intercalating into the pores.

    To sequester means to prevent an ion in solution from behaving normally by forming a coordination compound.

    A zeolite doesn't sequesters PAHs by the formation of permanent covalent bonds but by forming a coordination compound.
  2. 18 December, 07:25
    0
    1) false; PAH is acronym for polycyclic aromatic hydrocarbon, not for polycyclic aromatic hydrogen.

    2) true; PAHs interact with a zeolite by intercalating into the pores

    3) false; A zeolite sequesters PAHs by the formation of permanent covalent bonds.
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