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प्रश्न
Fill in the blanks and rewrite the completed statements:
The organic compounds having double or triple bond in them are termed as _________________ _________________.
उत्तर
The organic compounds having double or triple bond in them are termed as unsaturated hydrocarbons.
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संबंधित प्रश्न
Give any two differences between alkanes and alkenes.
‘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?
Write the electron-dot structures for ethane.
Fill in the following blank with suitable word:
The form of carbon which is used as a lubricant at high temperature is .........
Fill in the following blank with suitable word:
Ethyne has ......... carbon-hydrogen single bonds.
Giving their structures, state the number of single bonds, double bonds and triple bonds (if any) in the following compounds:
ethene
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?
Which of the following will give addition reaction and why?
C4H10, C2H6, C2H4, CH4, C3H8, C3H4
Name a chemical reaction which is characteristic of unsaturated hydrocarbons (like alkenes and alkynes).
Which among the following are unsaturated hydrocarbons?
- \[\ce{H3C - CH2 - CH2 - CH3}\]
- \[\ce{H3C - C ≡ C - CH3}\]
- \[\begin{array}{cc}
\ce{H3C - CH - CH3}\\
|\phantom{..}\\
\phantom{.}\ce{CH3}
\end{array}\] - \[\begin{array}{cc}
\ce{H3C - C = CH2}\\
|\phantom{.}\\
\phantom{..}\ce{CH3}
\end{array}\]
Structural formula of ethyne is ______.
Identify the unsaturated compounds from the following:
- Propane
- Propene
- Propyne
- Chloropropane
Which of the following is the correct representation of electron dot structure of nitrogen?
Pentane has the molecular formula C5 H12 It has
Which among the following are unsaturated hydrocarbons?
- \[\ce{H3C - CH2 - CH2 - CH3}\]
- \[\ce{H3C - C ≡ C - CH3}\]
- \[\begin{array}{cc}
\ce{H3C - CH - CH3}\\
|\phantom{..}\\
\ce{CH3}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H3C - C = CH2}\\
|\\
\phantom{...}\ce{CH3}\\
\end{array}\]
The name of the compound CH3 — CH2 — CHO is
Name the functional groups present in the following compounds
- CH3 CO CH2 CH2 CH2 CH3
- CH3 CH2 CH2 COOH
- CH3 CH2 CH2 CH2 CHO
- CH3 CH2 OH
Name the reaction which is commonly used in the conversion of vegetable oils to fats. Explain the reaction involved in detail.
Write the name of the following compound
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{.....}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{.....}\\
\ce{H} - \ce{C} - \ce{C} - \ce{C} ≡ \ce{C} - \ce{H}\\
\phantom{}|\phantom{....}|\phantom{..........}\\
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{..........}\\
\end{array}\]
