Which of the following orders are correct as per the properties mentio

1.	Which of the following orders are correct as per the properties mentioned against each?(i) As2O3 < SiO2 < P2O3 < SO2 Acid strength.(ii) AsH3 < PH3 < NH3 Enthalpy of vapourisation.(iii) S < O < Cl < F More negative electron gain enthalpy.(iv) H2O > H2S > H2Se > H2Te Thermal stability.
Answer» (i), (iv) (i) As₂O₃< SiO₂ < P₂O₃ < SO₂ Acid strength. (iv) H₂O > H₂S > H₂Se > H₂Te Thermal stability.

Which of the following orders are correct as per the properties mentioned against each?(i) As2O3 < SiO2 < P2O3 < SO2 Acid strength.(ii) AsH3 < PH3 < NH3 Enthalpy of vapourisation.(iii) S < O < Cl < F More negative electron gain enthalpy.(iv) H2O > H2S > H2Se > H2Te Thermal stability.

Answer»

(i), (iv)

(i) As₂O₃< SiO₂ < P₂O₃ < SO₂ Acid strength.

(iv) H₂O > H₂S > H₂Se > H₂Te Thermal stability.