IIT JEE Entrance Exam> chem...
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 ?
1 AnswersDear 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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