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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

Discuss in brief about the properties of coordinate covalent compounds.

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प्रश्न

Discuss in brief about the properties of coordinate covalent compounds.

संक्षेप में उत्तर
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उत्तर

  1. Physical state – These compounds exist as gases, liquids or solids.
  2. Electrical conductivity – Like covalent compounds, coordinate compounds also do not contain charged particles (ions), so they are bad conductors of electricity.
  3. Melting point – These compounds have melting and boiling points higher than those of purely covalent compounds but lower than those of purely Ionic compounds.
  4. Solubility – Insoluble in polar solvents like water but are soluble in non-polar solvents like benzene, CCl4, and toluene.
  5. Reactions – Coordinate covalent compounds undergo molecular reactions which are
    slow.
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अध्याय 13: Chemical Bonding - Exercise [पृष्ठ १६०]

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सामाचीर कलवी Science [English] Class 9 TN Board
अध्याय 13 Chemical Bonding
Exercise | Q III. 4. | पृष्ठ १६०

संबंधित प्रश्न

Write structural formula of Methane.


How does graphite act as a lubricant?


What type of bond is present in the following molecule?

Cl2


Two atoms of the same element combine to form a molecule. The bond between them is known as ______ bond.


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


The bond between two oxygen atoms is _______ bond.


Cation is formed when ______.


Which of the following are correct structural isomers of butane?

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

  2. \[\begin{array}{cc}
    \ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
    |\phantom{....}|\phantom{....}|\\
    \ce{H - C - C - C - H}\\
    |\phantom{.....}|\phantom{.....}|\\
    \ce{H}\ce{H-C-H}\ce{H}\\
    |\\
    \ce{H}\\
    \end{array}\]
  3. \[\begin{array}{cc}
    \ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
    |\phantom{....}|\phantom{....}|\\
    \ce{H - C - C - C - H}\\
    |\phantom{.....}\backslash\phantom{..}|\\
    \phantom{....}\ce{H}\phantom{......}\ce{C - H}\phantom{}\\
    \phantom{.......}|\\
    \phantom{.......}\ce{H}\\
    \end{array}\]
  4. \[\begin{array}{cc}
    \ce{H}\phantom{...}\ce{H}\\
    |\phantom{....}|\\
    \ce{H - C - C - H}\\
    |\phantom{....}|\\
    \ce{H - C - C - H}\\
    |\phantom{....}|\\
    \ce{H}\phantom{...}\ce{H}\\
    \end{array}\]

It is observed that covalent compounds are had conductors of electricity. Give reason. 


Carbon can neither form C4- cation nor C4 anion. Why?


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