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Q 2616067870.     (a) Which poisonous gas is evolved when white phosphorus is heated with conc. NaOH solution? Write the chemical equation involved.
(b) Which noble gas has the lowest boiling point?
(c) Fluorine is a stronger oxidising agent than chlorine. Why?
(d) What happens when H3PO3 is heated?
(e) Complete the equation:
`PbS + O_3 ⟶`
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)