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प्रश्न
Find the odd one out and give its explanation.
विकल्प
C2H2
C3H8
C2H6
CH4
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उत्तर
C2H2
Explanation-
Ethyne (C2H2) is a unsaturated hydrocarbon while others are saturated hydrocarbons.
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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.
Define Hydrocarbons.
Write the molecular formula of the given compound.
Ethyl ethanoate
Write the molecular formula of the given compound.
Acetylene
Write the molecular formula of the given compound.
Isobutane
Match the columns.
| Group A | Group B |
| 1. Straight chain hydrocarbon | a) Benzene |
| 2. Branched chain hydrocarbon | b) Propyne |
| 3. Cyclic hydrocarbon | c) Isobutylene |
Cyclohexane is a branched chain type of hydrocarbon.
Right or wrong sentence.
LPG butane is a flammable element in.
Write scientific reason.
Ethylene is an unsaturated hydrocarbon.
Explain the concept of heteroatoms with the help of examples.
Write a short note.
Functional groups in carbon compounds
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 the following is not a straight chain hydrocarbon?
Identify heteroatom (s) in the following compound.
\[\begin{array}{cc}
\ce{CH3CH2 - C - CH3}\\\
\phantom{....}||\
\ce\\\phantom{....}{O}\end{array}\]
______ is the functional group of carboxylic acid.
Write the IUPAC name of the following:
\[\begin{array}{cc}
\ce{CH3}\phantom{...}\ce{CH3}\phantom{.......}\\
|\phantom{.......}|\phantom{.........}\\
\ce{CH2 - CH - CH2}\\
\phantom{...........}|\\
\phantom{......................}\ce{CH2}\ce{CH2}\ce{CH3}
\end{array}\]
