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What are the bond angles in H2 O and NH3...

What are the bond angles in `H_2 O` and `NH_3` molecules as per VBT?

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VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. In case of ionic substances, a more appropriate term is formula weight...

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  2. NaCl dissolves in water but not in benzene. Explain.

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  3. What are the bond angles in H2 O and NH3 molecules as per VBT?

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  4. Why noble gases (inert gases) are stable?

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  5. What is an ion?

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  6. Sulphur dioxide is a diamagnetic molecule. Explain.

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  7. What are the structures of sodium chloride and calcium chloride crysta...

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  8. Write a short note on bond angles.

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  9. What is ionisation? Give one example.

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  10. What is a coordination number?

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  11. Represent the molecule H2O using Lewis notation.

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  12. How can you explain the formation of H2O molecule using dot structure?

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  13. Distinguish between a sigma bond and a pi bond.

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  14. Write the difference between ionic bond and covalent bond.

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  15. Write a short note on octet rule with example.

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  16. Why a large amount of energy is needed to remove an electron from a ne...

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  17. Why there is absorption of energy in certain chemical reactions and re...

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  18. Electronic configuration of X is 2, 8, 1 and electronic configuration ...

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  19. Why do valency electrons involve in bond formation , than electrons of...

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  20. Why ionic compounds dissolve in polar solution and covalent compounds ...

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