MCQ
A hydrocarbon contains $86\%$ carbon, $488\,ml$ of the hydrocarbon weight $1.68\, g$ at $STP$. Then the hydrocarbon is an
- AAlkane
- ✓Alkene
- CAlkyne
- DArene
✓
Answer
Correct option: B.
Alkene
b
(b)
(b)
|
Element |
At.wt. |
Mole |
Ratio |
Empirical formula |
|---|---|---|---|---|
|
$C =86\%$ |
$12$ |
$7.1$ |
$1$ |
$CH_2$ |
|
$H =14\%$ |
$1$ |
$14$ |
$2$ |
Beleongs to alkene ${C_n}{H_{2n}}$ |
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