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Give reasons for the following: Molec...

Give reasons for the following:
Molecules of hydrogen and chlorine have single covalent bonds between their atoms while oxygen has a double covalent and nitrogen a triple covalent bond respectively.

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ICSE-CHEMICAL BONDING -ADDITIONAL QUESTION
  1. State the reasons for chemical bonding between two atoms and the motho...

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  2. State the type of compounds formed by transfer of valence electrons fr...

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  3. Define the terms : [i] Electrovalent or ionic bond

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  4. What is meant by the term 'electrovalency'. State why Na [at. no. 11]...

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  5. State three differences between 'X' and 'X^(+)' i.e., an atom and an ...

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  6. Explain the terms 'oxidation' and 'reduction' with reference to a...

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  7. State which of the following are oxidation reactions and which are re...

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  8. State which of the following are oxidation reactions and which are re...

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  9. Explain with the help of [i] an ionic equation [ii] electron do...

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  10. Fill in the blanks with the appropriate word/s from the brackets. ...

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  11. Fill in the blanks with the appropriate word/s from the brackets. Co...

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  12. Define and explain the term - [i] covalent or molecular bond [ii]...

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  13. Give two differences between the covalent compounds - methane [non- ...

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  14. Explain with the help of - electron dot diagrams - the formation of ...

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  15. Give reasons for the following: Molecules of hydrogen and chlorine ...

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  16. Give reasons for the following: A molecule of methane has four sing...

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  17. Give reasons for the following: Formation of ammonia involves one a...

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  18. Explain the terms [a] Lone pair of electrons [b] Coordinate bond.

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  19. Explain diagrammatically the lone pair effect of [a] The nitrogen a...

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  20. Give reasons for the following Electrovalent compounds are soluble...

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