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प्रश्न
The general molecular formula of alkynes is ______
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उत्तर
The general molecular formula of alkynes is CnH2n-2.
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संबंधित प्रश्न
At least one carbon bond in an unsaturated hydrocarbon is ______.
______ compounds decolourize bromine water.
Answer the following question using the data given below:
- Assertion: Alkanes are saturated hydrocarbons.
- Reason: Hydrocarbons consist of covalent bonds.
Dead and decaying plants and animals release ______ gas.
Hydrocarbons are less dense than ______.
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.
The hydrocarbons containing carbon-carbon multiple bonds are called ______.
Complete the following flow chart:
Identify the hydrocarbon from the given electron-dot structure:
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\end{array}\]
