MCQ
Choose the pair of chain isomer
- ✓$C{H_3}CHB{r_2}$ and $C{H_2}BrC{H_2}Br$
- B$1-$propanol and $2-$propanol
- CNeo-pentane and isopentane
- DDiethyl ether and methyl$-n-$propyl ether

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$\underset{(1)}{\mathop{C{{H}_{3}}C{{H}_{2}}CHO}}\,$
$\underset{(2)}{\mathop{\begin{matrix}
O \\
|| \\
C{{H}_{3}}-C-C{{H}_{3}} \\
\end{matrix}}}\,$
$\underset{(3)}{\mathop{C{{H}_{3}}-CH=CH-OH}}\,$

$3,4,5-$Tribromoaniline $\underset{\text{(ii) }{{H}_{3}}P{{O}_{2}}}{\mathop{\xrightarrow{\text{(i) diazotization}}}}\,\,?$
