A) \[KMn{{O}_{4}};SOC{{l}_{2}}:N{{H}_{3}};OB{{r}^{-}}\]
B) \[PB{{r}_{3}}:NaCN;{{H}_{2}}/Ni\]
C) Collins reagent;\[N{{H}_{3}},{{H}_{2}}/Ni\]
D) All of the above
Correct Answer: C
Solution :
\[RC{{H}_{2}}OH\xrightarrow[{}]{Collins\,reagent}RCHO\] \[\xrightarrow[{}]{N{{H}_{3}}}RCH=NH\xrightarrow[{}]{{{H}_{2}},Ni}RC{{H}_{2}}N{{H}_{2}}\] \[RC{{H}_{2}}OH\xrightarrow[{}]{KMn{{O}_{4}}}RCOOH\xrightarrow[{}]{SOC{{l}_{2}}}\] \[RCOCl\xrightarrow[{}]{N{{H}_{3}}}RCON{{H}_{2}}\xrightarrow[{}]{OB{{r}^{-}}}R-N{{H}_{2}}\] \[R-C{{H}_{2}}OH\xrightarrow[{}]{PB{{r}_{3}}}RC{{H}_{2}}Br\xrightarrow[{}]{NaCN}\] \[RC{{H}_{2}}CN\xrightarrow[{}]{{{H}_{2}}/Ni}RC{{H}_{2}}C{{H}_{2}}N{{H}_{2}}\]
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