Write the order of thermal stability of the hydrides of Group 16
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    The p-Block Elements

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    387. Write the order of thermal stability of the hydrides of Group 16 elements.

    The thermal stability of hydrides decreases on moving down the group. This is due to a decrease in the bond dissociation enthalpy of hydrides on moving down the group.
    Therefore,

    H2O>H2S>H2Se>H2Te>H2PO
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