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प्रश्न
Give reasons:
Hydrocarbons are excellent fuels.
उत्तर
Hydrocarbons such as alkanes undergo combustion reactions with oxygen to produce carbon dioxide and water vapour. Alkanes are flammable, which makes them excellent fuels.
Methane, for example, is the principal component of natural gas.
CH4 + 2O2 → CO2 + 2H2O
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Write the IUPAC name of the following:
\[\begin{array}{cc}\\
\phantom{}\ce{H\phantom{...}H\phantom{...}H}\phantom{}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{}\\
\ce{H - C = C - C - H}\\
\phantom{.........}|\\
\phantom{.........}\ce{H}
\end{array}\]
Write the IUPAC name of the following:
\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C = C - C - H}\\
\phantom{.........}|\\
\phantom{.........}\ce{H}
\end{array}\]
Write the IUPAC name of the following:
\begin{array}{cc}
\phantom{.}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
\phantom{.}|\phantom{....}|\phantom{....}|\\
\ce{H - C = C - C - H}\\
\phantom{.........}|\\
\phantom{.........}\ce{H}
\end{array}
