This reaction is example of

MCQ

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Answer

Correct option: D.

Intramolecular $N -N$ coupling

d
$(d)$ An interesting example of an internal coupling reaction is provided by the diazotisation of $o-$ diaminobenzene

Benzotriazole may be obtained preparatively ( $75$ $\%$ yield) in this way.

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$(i)$ Glucose $+ ROH \quad \stackrel{\text { dry } HCl }{\longrightarrow}$ Acetal

$\xrightarrow[{{{\left( {C{H_3}CO} \right)}_2}O}]{{x\,eq.of}}$ acetyl derivative

$(ii)$ Glucose $\xrightarrow{{Ni/{H_2}}}A\xrightarrow[{{{\left( {C{H_3}CO} \right)}_2}O}]{{y\,\,eq.\,of}}$ acetyl derivative.

$(iii)$ Glucose $\xrightarrow[{{{\left( {C{H_3}CO} \right)}_2}O}]{{z\,ed.\,of}}$ acetyl derivative.

$' x ^{\prime},{ }^{\prime} y ^{\prime}$ and ${ }^{\prime} z^{\prime}$ in these reactions are respectively.

List $-I$ (Element)		List $-II$ (Electronic Configuration)
$A.$	$N$	$I.$	$[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^5$
$B.$	$S$	$II.$	$[\mathrm{Ne}] 3 \mathrm{~s}^2 3 \mathrm{p}^4$
$C.$	$Br$	$III.$	$[\mathrm{He}] 2 \mathrm{~s}^2 2 \mathrm{p}^3$
$D.$	$Kr$	$IV.$	$[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^6$