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प्रश्न
The number of carbon atoms in the organic compound named as 2,2-dimethylpropane is:
(a) two
(b) five
(c) three
(d) four
उत्तर
five
The number of carbon atoms in the organic compound 2,2-dimethylpropane (C5H12) is 5. 2,2-dimethylpropane is one of the three isomers of pentane.
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संबंधित प्रश्न
What is meant by isomers?
Fill in the following blank with suitable word:
CnH2n is the general formula of .......... hydrocarbons.
Giving their structures, state the number of single bonds, double bonds and triple bonds (if any) in the following compounds:
benzene
How many isomers of the following hydrocharbons are possible?
C6H14
The pair of elements which exhibits the property of catenation is:
You are given the following molecular formulae of some hydrocarbons:
C5H8; C7H14; C6H6; C5H10; C7H12; C6H12
Which formula represent cyclohexane as well as hexene?
Which of the following are correct structural isomers of butane?
- \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{..}\\
\ce{H - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{..}\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{.....}\backslash\phantom{..}|\\
\phantom{.....}\ce{H}\phantom{.......}\ce{C - H}\\
\phantom{.........}|\\
\phantom{.........}\ce{H}
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{....}\phantom{....}|\\
\ce{H}\phantom{........}\ce{H}\\
|\\
\ce{H - C - H}\\
|\\\ce{H}
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}
\end{array}\]
Pentane has the molecular formula C5H12. It has ______.
Match the reactions given in Column (A) with the names given in column (B).
| Column (A) | Column (B) | ||
(a) |
`"CH"_3"OH" + "CH"_3"COOH"overset("H"^+)(->) "CH"_3"COOCH"_3 + "H"_2"O"` | (i) | Addition reaction |
| (b) | `"CH"_3 = "CH"_2 + "H"_2 overset("Ni")(->)"CH"_3 - "CH"_3` | (ii) | Substitution reaction |
| (c) | `"CH"_4 + "Cl"_2overset("Sunlight")(->)"CH"_3"Cl" + "HCl"` | (iii) | Neutralisation reaction |
| (d) | `"CH"_3"COOH" + "NaOH" -> "CH"_3"COONa" + "H"_2"O"` | (iv) | Esterification reaction |
Name the following:
