MCQ
Relation between $(A)$ and $(B)$ is


- A$G.I.$
- ✓positional isomer
- Cenantiomer
- Dchain isomer


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$R - \mathop {\mathop C\limits^{||} }\limits^O - OH\xleftarrow{{{H_3}{O^ + }}}X\xrightarrow{{[H]}}RC{H_2}N{H_2};$
'$X$' is
$(K_f =-1.86\,^o\,C/m)$

is an example of which of the following types of reactions
