1.

Which of the following is NOT a CORRECT order (i) AlCl_(3) > All_(3) > AlBr_(3) (Melting point) (ii) Rb_(2)CO_(3) > K_(2)CO_(3) > Na_(2)CO_(3) (decomposition temperature) (iii) BeC_(2)O_(4) < MgC_(2)O_(4) < CaC_(2)O_(4) (Solubility) (iv) Li_(3)N > Na_(3)N > K_(3)N (Thermal stability)

Answer»

i, III, iv
i, iii
Only iii
iii and iv

Answer :C


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