Glycerol is separated in soap industries by :

The Kjeldahl method of Nitrogen estimation fails for which of the following reaction products?

Given below are two statements :

Statement I : Hyperconjugation is a permanent effect.

Statement II : Hyperconjugation in ethyl cation $\left({\mathrm{CH}}_3-\stackrel{+}{\mathrm{C}}{\mathrm{H}}_2\right)$ involves the overlapping of ${\mathrm{C}}_{{\mathrm{sp}}^2}-{\mathrm{H}}_{1\mathrm{s}}$ bond with empty $2\mathrm{p}$ orbital of other carbon.

Choose the correct option:

The correct order of stability of given carbocation is:

In Carius method for estimation of halogens, $0.2 \mathrm{g}$ of an organic compound gave $0.188 \mathrm{g}$ of $\mathrm{AgBr}.$ The percentage of bromine in the compound is __________. (Nearest integer)

[Atomic mass: $\mathrm{Ag}=108, \mathrm{Br}=80$]