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प्रश्न
Distinguish between:
Alkane - Alkene
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उत्तर
| Alkane | Alkene | |
| 1. | Alkanes are saturated hydrocarbons. | Alkenes are unsaturated hydrocarbons. |
| 2. | They have C−C single bonds. | They have at least one C=C double bond. |
| 3. | They are characterized by the general formula is CnH2n+2. | They are characterized by the general formula is CnH2n. |
| 4. | First member of homologous series is methane. | First member of homologous series is ethene. |
APPEARS IN
संबंधित प्रश्न
Explain the following term with an example.
Functional group
Give names of three functional groups containing three different hetero atoms. Write name and structural formula of one example each.
Find the odd one out and give its explanation.
Write the molecular formula of the given compound.
Acetylene
Write the molecular formula of the given compound.
Acetone
Write the molecular formula of the given compound.
Isobutane
Carbon compounds contain only open chains of carbon atoms.
Benzene is a cyclic unsaturated hydrocarbon.
Cyclohexane is a branched chain type of hydrocarbon.
Write scientific reason.
Ethylene is an unsaturated hydrocarbon.
Distinguish between:
Saturated hydrocarbons - Unsaturated hydrocarbons
Complete the given chart with writing the correct functional group of carbon compounds.
(Ester, Aldehyde, Ketone, Carboxylic acid, Alcohol, Ether)
| -O-H | |
| \[\begin{array}{cc} \ce{O}\phantom{..}\\ ||\phantom{..}\\ \ce{-C-H} \end{array}\] |
|
| \[\begin{array}{cc} \ce{O}\\ ||\\ \ce{-C-} \end{array}\] |
|
| \[\begin{array}{cc} \ce{O}\phantom{.....}\\ ||\phantom{.....}\\ \ce{-C-O-H} \end{array}\] |
|
| -O- | |
| \[\begin{array}{cc} \ce{O}\phantom{..}\\ ||\phantom{..}\\ \ce{-C-O} \end{array}\] |
|
|
\[\begin{array}{cc} |
An atom or a group of atoms that is responsible for the chemical characteristics of an organic compound is called ______.
Match the following.
| Functional group –OH | - | Benzene |
| Heterocyclic | - | Potassium stearate |
| Unsaturated | - | Alcohol |
| Soap | - | Furan |
| Carbocyclic | - | Ethene |
Which of these is true for most of the organic compounds?
Which of the following is not a straight chain hydrocarbon?
Consider the following organic compounds:
| (i) \[\begin{array}{cc} \ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ |\phantom{....}|\phantom{....}|\\ \ce{H - C - C - C = O}\\ |\phantom{....}|\phantom{.....}\\ \ce{H}\phantom{....}\ce{H}\phantom{.....} \end{array}\] |
(ii) \[\begin{array}{cc} \phantom{....}\ce{H}\phantom{...}\ce{H}\phantom{....}\\ \phantom{....}|\phantom{....}|\phantom{....}\\ \ce{H - C - C = O}\\|\phantom{.....}\\ \ce{H}\phantom{.....}\end{array}\] |
- Name the functional group present in these compounds.
- Write the general formula for the compounds of this functional group.
- State the relationship between these compounds and draw the structure of any other compound having a similar functional group.
Identify heteroatom (s) in the following compound.
\[\begin{array}{cc}
\ce{CH3CH2 - C - CH3}\\\
\phantom{....}||\
\ce\\\phantom{....}{O}\end{array}\]
Identify heteroatom (s) in the following compound.
\[\ce{CH3CH2Cl}\]
One variety of household fuel is a mixture of propane (60%) and butane (40%). If 20 litres of this mixture is burnt, find the total volume of carbon dioxide added to the atmosphere. The combination reactions can be represented as:
\[\ce{C3H8 + 5O2 -> 3CO2 + 4H2O}\]
\[\ce{2C4H10 +13O2 -> 8CO2 + 10H2O}\]
