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Ionic solids do not conduct electricity....

Ionic solids do not conduct electricity.

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In ionic solids ions occupy certain fixed positions in the crystal and do not migrate.
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Give reason : (i) Ionic compounds in solid state do not conduct electricity, whereas in molten state are good conductors of electricity. (ii) Silver articles when exposed to air gradually turn blackish. (iii) Chemical reaction does not take place when copper is added to iron sulphate solution.

Give reasons : i) lonic compounds in solid state do not conduet electricity, whereas in molten state are good conductors of electricity. (ii) ii) Silver articles when exposed to air gradually turn blackish. ii) Chenmical reaction does not take place when copper is added to iron sulphate solution.

Which of the following does not conduct electricity ?

Define ionic compounds. Ionic compounds conduct electricity only in the molten state and not in solid state. Why ?

Give reasons for the following : (i) Ionic compounds have high melting point and boiling point. (ii) Ionic compounds conduct electricity in molten state. (iii) Ionic compounds are solids at room temperature and are somewhat hard.

a. Name the solvent in which ionic compounds are generally soluble. b. Why are aqueous solution of ionic compounds able to conduct electricity?

SUBHASH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-THREE MARKS QUESTIONS
  1. Ionic solids do not conduct electricity.

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  2. Explain the formation of Ionic bond in NaCl.

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  3. Write the Born-Haber cycle for NaCl.

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  4. Explain Born-Haber cycle for the fomation of 1 mole of sodium chloride...

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  5. Define hybridization ? Explain the hybridization in Methane molecule.

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  6. Explain SP^2 hybridisation in ethene molecule.

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  7. Explain sp^(2) hybridization BF(3) molecule.

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  8. Explain sp hybridisation with an example.

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  9. Write any three main features of the VSEPR theory.

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  10. Based on VSEPR theory explain the structure of ammonia.

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  11. Based on VSERP theor explain the structure of water.

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  12. Whate are polar and None Polar convalent bond explain with example.

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  13. Define dipole moment ? Comment on structure & dipole moment of CO(2),...

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  14. Define Hydrogen Bond ? Explain its type with example.

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  15. Explain Valence Bond Theory.

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  16. Salient features of Molecules Orbital Theory (MOT)

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  17. Calculate the formal charge on each oxygen atom in ozone.

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  18. discuss the limitation of ocet rule.

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  19. Compare the polarity nature of NH(3) and NF(3).

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  20. Discuss Fajan's rules ?

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  21. Based on VSEPR theory explain the structure of methane.

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