1..  ORDER OF THERMAL STABILTY OF H2O ,H2S  H2Se H2Te , H2PO


 2..ACIDIC ORDER OF MnO ,MnO2 , Mn2O3  Mn2O5  Mn2O7


 3..  HYBRIDISATION  OF FREE RADICAL CH3• AND CF3•   ?


 4 .. Is tautomerism posible in HCN ?


 


 

4 years ago

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Answers : (1)

                                        

Dear rohit,


The thermal stability and the bond energies decrease from Hp to HjPo gradually. The order is H20 > H2S > H2Se > H2Te > H2Po.


 


MnO behaves as a basic anhydride, MnO2 is amphoteric, and Mn2O7 is acidic.



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4 years ago

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