Chemistry 5070 · O Level · Group VII properties

Group VII properties — practice question

Elements P, Q, R and S each belong to Group I or Group VII of the Periodic Table. P is liquid at r.t.p. Q is gaseous at r.t.p. Elements R and S both produce basic oxides. Element R has a higher melting point than element S. Which pair of elements reacts most vigorously?

  • AP and R
  • BP and S
  • CQ and R
  • DQ and S

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