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प्रश्न
Complete and balance the following chemical equation:
C2H6 + O2 →
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उत्तर
\[\ce{2C2H6 + 7O2 -> 4CO2 + 6H2O}\]
Explanation:
When hydrocarbons are heated in presence of oxygen then a combustion reaction takes place giving carbon dioxide gas, water and heat and light energy.
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संबंधित प्रश्न
At least one carbon bond in an unsaturated hydrocarbon is ______.
______ compounds decolourize bromine water.
Biodegradable detergents are made of ______ chain hydrocarbons.
Dead and decaying plants and animals release ______ gas.
Hydrocarbons are less dense than ______.
______ is used as fuel gas and propellant in aerosol sprays such as deodorants.
Match the following:
| 1. | Hydrocarbons | a. | Marsh gas |
| 2. | Methane | b. | Cleanest fuel |
| 3. | Butane | c. | Catenation |
| 4. | CNG | d. | Polystyrene |
Write any 2 properties of hydrocarbons.
Draw electron dot structure for the following:
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}\\
\phantom{}|\phantom{...}|\phantom{}\\
\ce{H-C-C-H}\\
\phantom{}|\phantom{...}|\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}
\end{array}\]
Identify the hydrocarbon from the given electron-dot structure:
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\end{array}\]
