Answer:
No. Two molecules of the initially formed\[\alpha \]-amino acid chloride react with each other to form a dipeptide acid chloride which, in turn, reacts further to form tetrapeptide acid chloride, etc.
\[N{{H}_{2}}-CHR-COOH+SOC{{l}_{2}}\xrightarrow{\,}\]\[N{{H}_{2}}-CHR-COCl+S{{O}_{2}}+HCl\]
\[\underset{\begin{smallmatrix} \text{ }\!\!\alpha\!\!\text{ -Amino}\,\,\text{acid}\,\text{chloride} \\ \,\,\,\,\,\,\text{(two}\,\text{molecules)} \end{smallmatrix}}{\mathop{N{{H}_{2}}CHRCOCl+N{{H}_{2}}CHRCOCl}}\,\]\[\xrightarrow{-HCl}\underset{\text{Dipeptide}\,\,\text{acid}\,\,\text{chloride}}{\mathop{N{{H}_{2}}CHRCONHCHRCOCl}}\,\]\[\xrightarrow{}\xrightarrow{}\xrightarrow{}\,\,etc.\]
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