निम्नलिखित रूपांतरण के लिए अभिकर्मकों का सही क्रम क्या है?

  • A
    $i. Fe, HCl; ii. NaNO_{2}, HCl, 0^{\circ} C; iii. H_{2}O / H^{+}; iv. Cl_{2}, FeCl_{3}$
  • B
    $i. Cl_{2}, FeCl_{3}; ii. NaNO_{2}, HCl, 0^{\circ} C; iii. Fe, HCl; iv. H_{2}O / H^{+}$
  • C
    $i. Fe, HCl; ii. Cl_{2}, HCl; iii. NaNO_{2}, HCl, 0^{\circ} C; iv. H_{2}O / H^{+}$
  • D
    $i. Cl_{2}, FeCl_{3}; ii. Fe, HCl; iii. NaNO_{2}, HCl, 0^{\circ} C; iv. H_{2}O / H^{+}$

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निम्नलिखित अभिक्रियाओं को पूर्ण कीजिए:
$(i)$ $C_{6}H_{5}NH_{2} + CHCl_{3} +$ alc. $KOH \rightarrow$
$(ii)$ $C_{6}H_{5}N_{2}Cl + H_{3}PO_{2} + H_{2}O \rightarrow$
$(iii)$ $C_{6}H_{5}NH_{2} + H_{2}SO_{4}$ (conc.) $\rightarrow$
$(iv)$ $C_{6}H_{5}N_{2}Cl + C_{2}H_{5}OH \rightarrow$
$(v)$ $C_{6}H_{5}NH_{2} + Br_{2(aq)} \rightarrow$
$(vi)$ $C_{6}H_{5}NH_{2} + (CH_{3}CO)_{2}O \rightarrow$
$(vii)$ $C_{6}H_{5}N_{2}Cl \xrightarrow[(ii) NaNO_{2}/Cu, \Delta ]{(i) HBF_{4}}$

निम्नलिखित अभिक्रिया में उत्पाद $B$ की पहचान करें:
$C_6H_5NH_2$ $\xrightarrow[0^\circ-5^\circ C]{NaNO_2/HCl} A$ $\xrightarrow{Ph-N(CH_3)_2} B$

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$E \xleftarrow{KOH/Br_2} D \xleftarrow{H_2O_2/OH^{-} \atop (Partial \ Hydrolysis)} C \xleftarrow{NaCN} C_2H_5-Cl$ $\xrightarrow{AgCN} A$ $\xrightarrow{LiAlH_4} B$
$B$ और $E$ के बीच क्या संबंध है?

यौगिक $X$ और $Y$ क्रमशः हैं:

निम्नलिखित अभिक्रिया में अंतिम उत्पाद $C$ क्या है? $C_2H_5NH_2$ $\xrightarrow{HNO_2} A$ $\xrightarrow{PCl_5} B$ $\xrightarrow{NH_3 (alc.)} C$

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