(i) Account for the following: (a) Noble gases are mostly inert. (b) The supersonic jet aeroplanes are responsible for the depletion of ozone layer. (c) SF6 is known but SH6 is not known. (d) Perchloric acid is stronger acid than sulphuric acid. (ii) Draw the structure of a noble gas species which is isostructural with IBr−2.
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(a) For eg.helium, neon, argon, krypton, xenon, and radon. They were once called inert gases because they were thought to be completely inert—unable to form compounds. This is a reasonable belief because the noble gases have a complete octet, making them very stable and unlikely to gain or lose any electrons. However, some compounds have been formed with the larger elements of this group, like xenon tetrafluoride (XeF4)
(c) photo...
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