R- CN xrightarrow[ text (ii) H 3 O +] text (i) SnCl 2+ HCl R- CHO What is the name of the above reaction?

Question

R- CN xrightarrow[ text (ii) H 3 O +] text (i) SnCl 2+ HCl R- CHO What is the name of the above reaction? (A) Rosenmund (B) Williamson (C) Stephen (D) Kolbe

Tardigrade Admin · Accepted Answer

Specifically, when reduction is carried out with SnCl 2 / HCl. It is called Stephen's reaction. The generalised reaction looks like <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/2281eb55062f2d33ec33983152d0a4f3-.png" />

Q. $R - CN (i) S n C l_{2} + H Cl (ii) H_{3} O^{+} R - C H O$
What is the name of the above reaction?

Rosenmund

Williamson

Stephen

Kolbe

Specifically, when reduction is carried out with $S n C l_{2} / H Cl$ . It is called Stephen's reaction. The generalised reaction looks like

Q. R−CN (i) SnCl2​+HCl (ii) H3​O+​R−CHO What is the name of the above reaction?