Advertisements
Advertisements
प्रश्न
Which of the following are correct structural isomers of butane?
- \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{.....}|\phantom{.....}|\\
\ce{H}\ce{H-C-H}\ce{H}\\
|\\
\ce{H}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{.....}\backslash\phantom{..}|\\
\phantom{....}\ce{H}\phantom{......}\ce{C - H}\phantom{}\\
\phantom{.......}|\\
\phantom{.......}\ce{H}\\
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\\
\end{array}\]
विकल्प
(i) and (iii)
(ii) and (iv)
(i) and (ii)
(iii) and (iv)
उत्तर
(i) and (ii)
Explanation -
We see that compound (i) and compound (ii) have the same formula C4H10. Such compounds with identical molecular formula but different structures are called structural isomers.
APPEARS IN
संबंधित प्रश्न
Name the black substance of pencil. Will the current flow through the electrical circuit when we use the sharpened ends of the pencil to complete the circuit?
What type of bonds are present in CH4 molecule? Draw their electron-dot structures.
Fill in the blank in the following sentence:
Two chlorine atoms combine to form a molecule. The bond between them is known as ..........
What is a covalent bond?
Explain why, diamond is hard while graphite is soft (though both are made of carbon atoms).
An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.
You can buy solid air-freshners in shops. Do you think these substance are ionic or covalent? Why?
Which element exhibits the property of catenation to maximum extent and why?
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
An element L consists of molecules.
What type of bonding is present in the particles that make up L?
Draw the electron dot diagram and structure of :
methane
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
Taking MgCl2 as an electrovalent compound, CCl4 as a covalent compound, give four difference between electrovalent and covalent compounds
Define a covalent bond.
In the formation of electrovalent compounds, electrons are transferred from one element to another. How are electrons involved in the formation of a covalent compound?
The molecular masses of a carbon compound spread over a range of _______.
Explain covalent bond with example.
Write a short note.
Characteristics of carbon
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{..}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ \phantom{..}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C- C- H}\\ \phantom{.}|\phantom{....}|\phantom{....}|\\ \ce{H - C - H}\\ |\\\ce{H}\end{array}\] |
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of ______.
