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प्रश्न
Define Unsaturated hydrocarbon.
उत्तर
Unsaturated hydrocarbon: Hydrocarbons in which carbon atoms are linked to each other by double or triple bonds are known as unsaturated hydrocarbons. Examples: Ethene (CH2=CH2) and propyne (CH3-C=CH2) are unsaturated hydrocarbons.
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संबंधित प्रश्न
‘A’ is an element having four electrons in its outermost orbit. An allotropes ‘B’ of this element is used as a dry lubricant in machinery and in pencil leads. So:
i. Write the name of element ‘A’ and its allotropes.
ii. State whether ‘B’ is a good conductor or non-conductor of electricity?
Define Catenation.
Why does carbon form strong bonds with most other elements ?
What are the two properties of carbon which lead to the huge number of carbon compounds we see around us?
Write the electron-dot structures for ethyne.
Give the names and structural formulae of one saturated cyclic hydrocarbon and one unsaturated cyclic hydrocarbon.
A cyclic hydrocarbon having carbon-carbon single bonds as well as carbon-carbon double bonds in its molecule is:
(a) C6H12
(b) C6H14
(c) C6H6
(d) C6H10
You are given the following molecular formulae of some hydrocarbons:
C5H8; C7H14; C6H6; C5H10; C7H12; C6H12
Which two formulae represent unsaturated hydrocarbons having triple bonds?
Name a chemical reaction which is characteristic of unsaturated hydrocarbons (like alkenes and alkynes).
Differentiate between alkanes and alkenes. Name and draw the structure of one member of each.
Answer the following question.
Name a cyclic unsaturated carbon compound.
Name a cyclic unsaturated carbon compound.
Structural formula of ethyne is ______.
How many double bonds are there in a saturated hydrocarbon?
Which of the following statements are usually correct for carbon compounds? These
- are good conductors of electricity
- are poor conductors of electricity
- have strong forces of attraction between their molecules
- do not have strong forces of attraction between their molecules
Which of the following is the correct representation of electron dot structure of nitrogen?
The name of the compound CH3 — CH2 — CHO is
Write the name of the following compound
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{.....}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{.....}\\
\ce{H} - \ce{C} - \ce{C} - \ce{C} ≡ \ce{C} - \ce{H}\\
\phantom{}|\phantom{....}|\phantom{..........}\\
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{..........}\\
\end{array}\]
Write the name of the following compound
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{}\\
\ce{H - C - C - C - C - C - C - C = O}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{.....}\\
\phantom{.}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{......}
\end{array}\]
- Write the name and draw the structure of a saturated hydrocarbon with four carbon atoms.
- Write the number of single covalent bonds present in this compound.
