Explain the structures of XeO2F2 and XeOF2 on the basis of VSEPR theory.
Xenon Oxide Difluoride (Xe OF2)
It is prepared by the reaction of OF2 with xenon gas at low temperatures. It can also be obtained by the partial hydrolysis of XeF4 at low temperature
. Xe + OF2 —‘ XeOF2 Properties
(a) It
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Write down the names of the following complexes:
i) 
ii) [CoCl (NO2) (en)2] Cl
iii) K2(PtCl6]
Although the 4s orbitals are occupied before 3d orbitals, yet we cannot say that they are always more stable. Explain with suitable examples.
Explain the structures of XeO2F2 and XeOF2 on the basis of VSEPR theory.
Why iron, cobalt and nickel do not form typical interstitial carbides? Write the type of carbides they form.
Differentiate between the covalent radii and the ionic radii. Name the cations that are largest single atom cations. Which out of N3– and O2– ion is bigger in size and why?
Why do the hydrides of O and F in Group 16 and Group 17 respectively show abnormally high melting points and boiling points as compared to other hydrides in their respective groups? Explain.
Write the reactions for the following:
i) Reaction showing acidic behaviour of sulphur dioxide
ii) Reaction depicting the sulphonation by H2SO4
iii) Reactions of lead chambers during the manufacture of H2SO4 by Lead Chamber process
iv) Reaction distinguishing between peroxomonosulphuric acid and peroxodisulphuric acid
v) Reduction reaction of H2O2 with chlorine