- AThere are no lone pairs in molecule
- BAll bonds are double bonds
- CThe central atom does not have an octet of electrons
- DA sulfur atom must be the central atom for the structure to be stable

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$\mathrm{Li}, \mathrm{Be}, \mathrm{B}, \mathrm{C}, \mathrm{N}$
Choose the correct answer from the options given below:
$(A)$ The elevation in boiling point temperature of water will be same for $0.1 M NaCl$ and $0.1 M$ urea.
$(B)$ Azeotropic mixtures boil without change in their composition
$(C)$ Osmosis always takes place from hypertonic to hypotonic solution
$(D)$ The density of $32 \% H _2 SO _4$ solution having molarity $4.09\,M$ is approximately $1.26\,g\,mL ^{-1}$
$(E)$ A negatively charged sol is obtained when $KI$ solution is added to silver nitrate solution.
Choose the correct answer from the options given below :
$(i)\,\,N{O_2}\,\xrightarrow{{slow}}\,NO + O$
$(ii)\,\,{F_2} + O + NO\,\xrightarrow{{fast}}\,N{O_2}F + F$
$(iii)\,\,F + N{O_2}\,\xrightarrow{{fast}}\,N{O_2}F$
Select the correct one

