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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. |
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संबंधित प्रश्न
Write answer as directed.
Give any four functional groups containing oxygen as the heteroatom in it. Write name and structural formula of one example each.
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.
Find the odd one out and give its explanation.
Match the columns.
| Group A | Group B |
| 1. Straight chain hydrocarbon | a) Benzene |
| 2. Branched chain hydrocarbon | b) Propyne |
| 3. Cyclic hydrocarbon | c) Isobutylene |
Benzene is a cyclic unsaturated hydrocarbon.
Right or wrong sentence.
LPG butane is a flammable element in.
Explain the concept of heteroatoms with the help of examples.
Distinguish between:
Open chain hydrocarbons - Closed chain hydrocarbons
Write a short note.
Catenation power
Write a short note.
Functional groups in carbon compounds
Match the following.
| Functional group –OH | - | Benzene |
| Heterocyclic | - | Potassium stearate |
| Unsaturated | - | Alcohol |
| Soap | - | Furan |
| Carbocyclic | - | Ethene |
Chlorine reacts with saturated hydrocarbons at room temperature in the
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.
\[\ce{CH3CH2Cl}\]
