B, P, A, Y and Q are the elements belonging to 16^th group of Modern periodic table. The correct trend of ionisation potential in these elements is B > P > A > Y > Q. The element ‘Q’ in the sequence is

Atomic radius… O<S<Se<Te<Po ;

Ionization enthalpy…O>S>Se>Te>Po ;

Melting point…O<S<Se<Po<Te ;

Boiling point….O<S<Se<Po<Te ;

Density……….O<S<Se<Te<Po ;

Electronegativity……O>S>Se>Te>Po ;

Electron gain enthalpy …. S>Se>Te>Po>O ;