p-Block Element...

The oxidation state of sulphur in anions SO₃^2-, S₂O₄^2- and S₂O₆^2- follows the order

The main reaction involved in the manufacture of sulphuric acid is:

2SO₂ (g) + O₂ (g) → 2SO₃ (g); ΔH = -98 kJ

According to Le Chatelier's principle, the quantity of SO₃ (g) can be increased when

Which of the following are the peroxides of sulphur?

A. H₂S₂O₃
B. H₂S₂O₈
C. H₂SO₅
D. H₂SO₃

Which of the following orders is not correct for halogens?

A. Ionic radius (X^-): F^- < Br^- < Cl^-
B. Electron gain enthalpy (-ve): F > Br > Cl
C. Ionisation enthalpy: F > Cl > Br
D. Melting point (K): F₂ < Cl₂ < Br₂

Aqueous solution of Na₂S₂O₃ on reaction with Cl₂ gives

Choose the incorrect statement.

Which of the following is the correct order of stability of interhalogen compounds?

XeF₄ reacts with water at – 80^oC to give

The formation of O₂⁺[PtF₆]^- is the basis for the formation of xenon fluoride. This is because