Q. 245.0( 1 Vote )

In the preparation of compounds of Xe, Bartlett had taken O2+Pt F6 as a base compound. This is because
A. both O2 and Xe have same size.

B. both O2 and Xe have same electron gain enthalpy.

C. both O2 and Xe have almost same ionisation enthalpy.

D. bothXe and O2 are gases.

Answer :

Neil Bartlett noticed that PtF6 is a powerful oxidizing agent which combines with O2 to form red ionic compound.


O2 + PtF6[PtF6]-


As the first ionization enthalpy of Xe gas is 1170KJ/MOL and that of oxygen is 1175KJ/MOL


Both have almost same value of ionization enthalpy. Diameter of O2 and Xe are almost similar (4A’). Hence the correct option is (iii).

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