MCQ
Chlorine cannot be used
- AAs bleaching agent
- BIn sterilisation
- CIn preparation of antiseptic
- ✓For extraction of silver and copper
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${H_2}O\, \rightleftharpoons \,{H^ + } + O{H^ - }$ at $25\,^oC$ is.....$kJ$
Statement $I$ : The correct order of first ionization enthalpy values of $\mathrm{Li}, \mathrm{Na}, \mathrm{F}$ and $\mathrm{Cl}$ is $\mathrm{Na}<\mathrm{Li}<\mathrm{Cl}<\mathrm{F}$.
Statement $II$ : The correct order of negative electron gain enthalpy values of $\mathrm{Li}, \mathrm{Na}, \mathrm{F}$ and $\mathrm{Cl}$ is $\mathrm{Na}<\mathrm{Li}<\mathrm{F}<\mathrm{Cl}$
In the light of the above statements, choose the correct answer from the options given below :
Statements$-I :$ In Hofmann degradation reaction, the migration of only an alkyl group takes place from carbonyl carbon of the amide to the nitrogen atom.
Statement$-II :$ The group is migrated in Hofmann degradation reaction to electron deficient atom.
In the light of the above statement, choose the most appropriate answer from the options given below