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Topic Question Set

Q 1 :

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

  • O2 and Xe have comparable sizes

     

  • both O2 and Xe are gases

     

  • O2 and Xe have comparable ionization energies

     

  • O2 and Xe have same electron gain enthalpy

     

(3)

O2 and Xe have comparable ionization energies

Q 2 :

Given below are two statements:

Statement I: The covalency of oxygen is generally two but it can exceed upto four. The oxidation state of oxygen in SO2 is -2 and in OF2 it is +2.

Statement II: The anomalous behaviour of oxygen when compared to the other elements of group 16 is due to its small size and high electronegativity.

In the light of the above statements, choose the correct answer from the options given below:              [2026]

  • Both Statement I and Statement II are true

     

  • Both Statement I and Statement II are false

     

  • Statement I is true but Statement II is false

     

  • Statement I is false but Statement II is true

     

(1)

Fact based