1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33
Which of the following, number of lone pair at central atom zero $$\mathrm{XeO}_3, \mathrm{XeO}_2 \mathrm{~F}_2, \mathrm{XeO}_4, \mathrm{XeO}_3 \mathrm{~F}_2, \mathrm{XeF}_6$$ ?
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33
Which is least soluble?
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33
Assertion : $$\mathrm{BO}_3^{-3}$$ and $$\mathrm{SO}_3^{-2}$$ are not isostructural.
Reason : In $$\mathrm{SO}_3^{2-}$$ sulphur has one lone pair of electron.
Questions Asked from Chemical Bonding and Molecular Structure (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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