Aromatic nitriles (ArCN) are not prepared by reaction:

Question

Aromatic nitriles (ArCN) are not prepared by reaction: (A) Ar X+ KCN (B) ArN 2+ X-+ CuCN (C) ArCONH 2+ P 2 O 5 (D) ArCONH 2+ SOCl 2

Tardigrade Admin · Accepted Answer

Aryl halides (Ar X) does not show nucleophilic substitution reaction as they have strong C -X bond. Above reaction involve nucleophilic substitution reaction. Thus ArCN cannot be prepared by reaction of Ar X and KCN. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/5d2bf93a9c8f746a5efbc2a0552ff568-.png" /> Only alkyl halide can be prepared by this method. C 6 H 5 CONH 2 xrightarrow[ textHeat]P2O5 underset textbenzene carbonitrileC6H5CN + H2O C6H5CONH2 xrightarrowSO2Cl C6H5CN + SO2 + 2HCl Ar overset+N2 barX +: barCN xrightarrow[KCl]CuCN ArCN + N2 + barX :

Q. Aromatic nitriles $(A r CN)$ are not prepared by reaction:

$A r X + K CN$

$A r N_{2}^{+} X^{-} + C u CN$

$A r CON H_{2} + P_{2} O_{5}$

$A r CON H_{2} + SOC l_{2}$

Q. Aromatic nitriles (ArCN) are not prepared by reaction:

ArX+KCN

ArN2+​X−+CuCN

ArCONH2​+P2​O5​

ArCONH2​+SOCl2​

Q. Aromatic nitriles $(A r CN)$ are not prepared by reaction:

$A r X + K CN$

$A r N_{2}^{+} X^{-} + C u CN$

$A r CON H_{2} + P_{2} O_{5}$

$A r CON H_{2} + SOC l_{2}$