MCQ
The structure of $(S)-2$ -fluorobutane is best represented by
- A$\begin{array}{*{20}{c}}
{F\,\,\,\,\,\,\,\,\,}\\
{|\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3}CHC{H_2}C{H_3}}
\end{array}$ - B

- ✓

- D






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$[P]\xrightarrow{\begin{subarray}{l}
(i)\,NAN{O_2}/HCl,\,0 - {5^o}C \\
(ii)\,\beta - napthol/NaOH
\end{subarray} }Colored\,\,Solid$
$[P]\xrightarrow{{B{r_2}/{H_2}O}}{C_7}{H_6}NB{r_3}$
The compound $[P]$ is
Pair $-\,A:$ $(1) \,2 - $ Chloropropane $(2) \,2-$ Bromopropane
Pair $-\,B:$ $(3) \,1 -$ Bromobutane $(4)\, 2-$ Bromobutane
| Isotope | Atomic mass (amu) | Relative abundance (%) |
| 36 Ar | 35.97 | 0.337 |
| 38 Ar | 37.96 | 0.063 |
| 40 Ar | 39.96 | 99.6 |
