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Why does a covalent bond develop a parti...

Why does a covalent bond develop a partial ionic character when the electronegativities of the combining atoms are different?

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Explore conceptually related problems

When does a covalent bond acquire partial ionic character?

When does an ionic bond develop a partial covalent character?

A bonding molecular orbital is formed when the electron waves of the combining atoms are in phase.

An ionic bond is formed when the electronegativity difference in the combining atoms is more than 2.

Fill in the blanks by chossing the appropriate word/words from those given in the brackets: (increases, ionic radius, CH_(2) , same, sigma, ionic, 14, 2, decreases, 16, CH_(3) , pi, covalent, ionic) An ______bond is formed when the electronegativity difference in teh combining atoms is more than ________

For the formation of covalent bond, the different in the value of electronegativities should be

Between ionic and covalent bonds, there are large majority of bonds, in which the bonding electrons are shared unequally between two atoms but are not completely transferred.Such bonds are said to be polar covalent bonds and the bond polarity is due to difference in electronegativity, the ability of an atom in a molecule to attract the shared electrons in a covalent bond. The measure of net polarity is a quantity called the dipole moment, mu , which is defined as the magnitude of the charge Q at either end of the molecular dipole times the distance r between the charges : mu=Qxxr .Molecular polarities give rise to some of the forces that occur between molecules and these forces are of several different types including dipole-dipole forces, London dispersion forces, and hydrogen bonds. All these intermolecular forces are electrical in origin and result from the mutual attraction of unlike charges or the mutual repulsion of like charges. Which of the following statements is incorrect ?

Between ionic and covalent bonds, there are large majority of bonds, in which the bonding electrons are shared unequally between two atoms but are not completely transferred.Such bonds are said to be polar covalent bonds and the bond polarity is due to difference in electronegativity, the ability of an atom in a molecule to attract the shared electrons in a covalent bond. The measure of net polarity is a quantity called the dipole moment, mu , which is defined as the magnitude of the charge Q at either end of the molecular dipole times the distance r between the charges : mu=Qxxr .Molecular polarities give rise to some of the forces that occur between molecules and these forces are of several different types including dipole-dipole forces, London dispersion forces, and hydrogen bonds. All these intermolecular forces are electrical in origin and result from the mutual attraction of unlike charges or the mutual repulsion of like charges. Which of the following statement is true ?

Why do alcohol (a covalent compound) dissolves in water (ionic)?

Why do alcohols ( covalent compounds) dissolve in water (ionic)?

ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SHORT ANSWER TYPE QUESTIONS
  1. Explain the formation of C2 H2 molecule.

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  2. Explain why the compounds of the type C2 H2 X2 exhibit cis-trans isome...

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  3. Why does a covalent bond develop a partial ionic character when the el...

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  4. How do the metals conduct heat and electricity?

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  5. Explain why : metals are malleable and ductile,

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  6. Explain why : sodium can be cut with a knife,

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  7. Why is H(2)O a liquid and H(2)S a gas ?

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  8. Explain why : o-nitrophenol possesses low boiling point in spite of...

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  9. What do you understand by overlap integral and what does it signify?

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  10. State the salient features of molecular orbital theory.

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  11. What are the main points of difference between inductive and electrome...

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  12. What do you understand by linear combination of atomic orbitals?

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  13. Explain bonding and antibonding molecular orbitals.

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  14. What are the main points of difference between bonding and antibonding...

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  15. Give two differences between a sigma bond and a pi bond.""^(**"**)

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  16. Give the molecular orbital description of hydrogen molecule and deduce...

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  17. Distinguish two aspects of bonding and antibonding molecular orbitals.

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  18. Describe molecular orbital. How is it different from an atomic orbital...

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  19. Explain why He2 molecule does not exist.

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  20. What do you understand by bond order and what does it signify?

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