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.
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.
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1 Answer
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This is a multiple choice answer as classified in NCERT Exemplar
Correct option is (i) and (iv)
(i) As2O3 < SiO2 < P2O3 < SO2 is the order of acid
(ii) AsH3 < PH3 < NH3 is the correct or enthalpy of vapourization
(iii) S < O < F < Cl is the correct order of more negative gain enthalpy
(iv) H2O > H2Se > H2Te is the order of thermal stability
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