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${{C}_{2}}{{H}_{5}}N{{H}_{2}} \xrightarrow{HN{{O}_{2}}}A \xrightarrow{PC{{l}_{5}}}B \xrightarrow{H.N{{H}_{2}}}C$
$I$. $-I$ Effect of nitro group.
$II$. Greater resonance effect of $p-$ nitrophenoxy group
$III$. Steric effect of bulky nitro group
$(I)$ $-OAc$ $(II)$ $-OMe$
$(III)$ $-O-SO_2-Me$ $(IV)$ $-O-SO_2-CF_3$
The order of leaving power is :
|
List $-I$ (Element) |
List $-II$ (Electronic Configuration) | ||
| $A.$ | $N$ | $I.$ | $[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^5$ |
| $B.$ | $S$ | $II.$ | $[\mathrm{Ne}] 3 \mathrm{~s}^2 3 \mathrm{p}^4$ |
| $C.$ | $Br$ | $III.$ | $[\mathrm{He}] 2 \mathrm{~s}^2 2 \mathrm{p}^3$ |
| $D.$ | $Kr$ | $IV.$ | $[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^6$ |
Choose the correct answer from the options given below:
$Pt:\frac{1}{2}\,{H_2}\left( g \right)\,|{H^ + }\left( {{{10}^{ - 8}}\,M} \right)||{H^ + }\,\left( {{{10}^{ - 3}}\,M} \right)|\frac{1}{2}\,{H_2}\left( g \right)\,;Pt$