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Which of the following orders are correct as per the properties mentioned against each?
Which of the following orders are correct as per the properties mentioned against each?
CBSE | Chemistry | Class 12 | Exercise 1 | NCERT Exemplar | The P-Block Elements
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 vaporization.

(iii) S < O < Cl < F More negative electron gain enthalpy.

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

 

Correct Answers: 

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

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

i

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