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Which Element Exhibits the Property of Catenation to Maximum Extent and Why? - Science

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प्रश्न

Which element exhibits the property of catenation to maximum extent and why?

उत्तर

Carbon exhibits the property of catenation to maximum extent because of strong CC bond and its tetravalency.

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2015-2016 (March) Foreign Set 1

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

Name the type of bonds formed in ionic compounds and in the compounds formed by carbon.


Give one example of a molecule containing a triple covalent bond.


Friedrich Wohler converted an inorganic compound into an organic compound in the laboratory.

Write the name and formula of organic compound formed.


Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of oxygen, O2, is formed from two oxygen atoms. What name is given to this type of bonding? (At. No. of oxygen = 8)


The electronic configurations of three elements X, Y and Z are as follows:

X 2, 4
Y 2, 7
Z 2, 1

(a) Which two elements will combine to form an ionic compound?
(b) Which two elements will react to form a covalent compound?
Give reasons for your choice.


What is the difference between ionic compounds and covalent compounds?


Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.


Give examples for the following:
Two gaseous polar compounds.


Name a neutral covalent molecule which contains one lone pair of electrons.


The molecule which contains a triple covalent bond is ______.


Explain the bonding in methane molecule using electron dot structure.


What are the term defined below?

A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.


Element A has 2 electrons in its M shell. Element B has atomic number 7.

Write equations to show how A and B form ions.


Draw the electron dot structure of covalent compound methane (non polar) and HCL (polar) and give two difference between them.


What is the difference between :

Ionic compounds and covalent compounds


Name the anion present in the following compound:

When a barium chloride solution is added to a solution of compound B, a white precipitate insoluble in dilute hydrochloric acid is formed.


Complete the following activity.

Write the names of the hydrocarbons for the following structural formula.

(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)

\[\begin{array}{cc}
\phantom{.........}\ce{H}\\
\phantom{.........}|\\
\ce{H - C ≡ C - C - H}\\
\phantom{.........}|\\
\phantom{.........}\ce{H}
\end{array}\]
 

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


The table shows the electronic structures of four elements. 

Element Electronic Structure
P 2, 6
Q 2, 8, 1
R 2, 8, 7
S 2, 8, 8
  1.  Identify which element(s) will form covalent bonds with carbon.
  2. “Carbon reacts with an element in the above table to form several compounds.” Give suitable reason.

Which of the following compound(s) possesses a high melting point?


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