MCQ
The stable carbocation formed in the above reaction is ......
- A$CH _{3} CH _{2} \stackrel{\oplus}{ CH _{2}}$
- B$CH _{3} \stackrel{\oplus}{ C } H _{2}$
- ✓$CH _{3}-\stackrel{\oplus}{ C } H - CH _{3}$
- D
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$I . C H_{3}^{+}$ $II.$ $H_{3} O ^{+}$ $III.$ $N H_{3}$ $I V\,\, C H_{3}^{-}$
$C{H_4}(g) + 2{O_2}(g) \to C{O_2}(g) + 2{H_ {2}}O(l);$
$\Delta H = - 890.3\,kJ$
How many grams of methane would be required to produce $445.15\, kJ$ of heat of combustion.....$g$