Which is not correctly matched ? {:((a) " Basic strength of oxides",,Cs_(2)O lt Rb_(2)O lt K_(2)O lt Na_(2)O lt Li_(2)O),((b)" Stability of peroxides",,Na_(2)O_(2) lt K_(2)O_(2) lt Rb_(2)O_(2) lt Cs_(2)O_(2)),((c )" Stability of bicarbonates",,LiHCO_(3) lt NaHCO_(3) lt KHCO_(3) lt RbHCO_(3) lt CsHCO_(3)),((d)" Melting point",,NaF lt NaCl lt NaBr lt Nal):}

Which is not correctly matched ? {:((a) " Basic strength of oxides",,

1.	Which is not correctly matched ? {:((a) " Basic strength of oxides",,Cs_(2)O lt Rb_(2)O lt K_(2)O lt Na_(2)O lt Li_(2)O),((b)" Stability of peroxides",,Na_(2)O_(2) lt K_(2)O_(2) lt Rb_(2)O_(2) lt Cs_(2)O_(2)),((c )" Stability of bicarbonates",,LiHCO_(3) lt NaHCO_(3) lt KHCO_(3) lt RbHCO_(3) lt CsHCO_(3)),((d)" Melting point",,NaF lt NaCl lt NaBr lt Nal):}
Answer» a and d a and c a and b b and c Solution :Basic strength increases down the GROUP `,""Cs_(2)OgtRb_(2)OgtK_(2)OgtNa_(2)OgtLi_(2)O` `L.E.a(1)/(gamma_(+)+gamma_(_))""`,`""` moreis L.E. more is melting POINT`"":. NaF GT NaCl gt NaBr gt Nal`