HSC - রসায়ন ২য় পত্র→অধ্যায়-০২ঃ জৈব রসায়ন→All Topics

$\begin{array}{l}\text{Scheme-1: } \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl} \stackrel{\mathrm{CuCN}^{*}}{\longrightarrow} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CN} \stackrel{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}{\longrightarrow} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH} \stackrel{\Delta}{\longrightarrow}[ \text{ Product - I]}\\\text{Scheme-2: } \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NO}_{2} \stackrel{\mathrm{Fe} / \mathrm{HCl}}{\longrightarrow} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2} \stackrel{\mathrm{NO}_{2}+\mathrm{HCl}, 273 \mathrm{~K}}{\longrightarrow} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl} \stackrel{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}{\longrightarrow} \text{ [Product - II]}\\\text{Scheme-3: } \mathrm{CH}_{3} \mathrm{COOH} \stackrel{\mathrm{NH}_{3}}{\longrightarrow} \mathrm{CH}_{3} \mathrm{CONH}_{2} \stackrel{\mathrm{NaOBr}}{\longrightarrow}[ \text{ Product } -\mathrm{III}]\end{array}$উল্লেখিত $\text {Scheme}$ সমূহে $\text {Product- I, Product-II}$ এবং $\text {Product-III}$ হল যথাক্রমে,