MCQ
The $IUPAC$ name of given compound is :


- ✓$1-$cyclohexyl$-3-$methyl$-1-$ pentene
- B$3-$ methyl$-5-$ cyclohexyl$-$pent$-$ene
- C$1-$cyclohexyl$-3-$ ethyl$-$but$-1-$ene
- D$1-$cyclohexyl$-3,4-$ dimethyl$-$but$-1-$ ene

$1$-Cyclohexyl is for the ring structure of $6$-carbons attached at C-$1, 3$-methyl is for the methyl group attached at $C -3$ and pent-$1$-ene is for the long chain of $5$ carbon atoms with a double bond at $C -1$.
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Given that $\left[ {\frac{{{{\left[ B \right]}_t}}}{{{{[C]}_t}}} = \frac{{16}}{9}} \right]$
$A\,\xrightarrow{{{K_1}\, = \,2\, \times \,{{10}^{^{ - 3}\,}}{S^{ - 1}}}}4B$
$A\to C$
The mass (in $\mathrm{mg}$ ) of $\mathrm{S}$ obtained is. . . . . . . [Use molar mass (in g mol ${ }^{-1}$ ) : $\mathrm{H}=1, \mathrm{C}=12, \mathrm{~N}=14, \mathrm{Br}=80$ ]
