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प्रश्न
Fill in the following blank with suitable word:
Ethyne has ......... carbon-hydrogen single bonds.
उत्तर
Ethyne has two carbon-hydrogen single bonds.
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संबंधित प्रश्न
Why does carbon form strong bonds with most other elements ?
Why are certain compounds called hydrocarbons? Write the general formula for homologous series of alkanes, alkenes and alkynes and also draw the structure of the first member of each series. Write the name of the reaction that converts alkenes into alkanes and also write a chemical equation to show the necessary conditions for the reaction to occur.
Write the electron-dot structures for ethyne.
Giving their structures, state the number of single bonds, double bonds and triple bonds (if any) in the following compounds:
ethyne
Name a chemical reaction which is characteristic of unsaturated hydrocarbons (like alkenes and alkynes).
Name the reaction which is usually used in the conversion of vegetables oils to fats. Explain the reaction involved in detail. Write a chemical equation to illustrate your answer.
Which among the following are unsaturated hydrocarbons?
- \[\ce{H3C - CH2 - CH2 - CH3}\]
- \[\ce{H3C - C ≡ C - CH3}\]
- \[\begin{array}{cc}
\ce{H3C - CH - CH3}\\
|\phantom{..}\\
\phantom{.}\ce{CH3}
\end{array}\] - \[\begin{array}{cc}
\ce{H3C - C = CH2}\\
|\phantom{.}\\
\phantom{..}\ce{CH3}
\end{array}\]
Identify the unsaturated compounds from the following
- Propane
- Propene
- Propyne
- Chloropropane
Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show addition reactions. Give the test to distinguish ethane from ethene.
Name the reaction which is commonly used in the conversion of vegetable oils to fats. Explain the reaction involved in detail.
