(a) Account for the following: (i) Helium is used in diving apparatus. (ii) Fluorine does not exhibit positive oxidati

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Q 2676178076.     (a) Account for the following:
(i) Helium is used in diving apparatus.
(ii) Fluorine does not exhibit positive oxidation state.
(iii) Oxygen shows catenation behavior less than sulphur.

(b) Draw the structures of the following molecules:
(i) `XeF_2`
(ii) `H_2S_2O_8`
CBSE-12th 2013

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