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predict the shapes of the following mole...

predict the shapes of the following molecules using the valence shell electron pair repulsion modal.
`(i) BeCl_(2) (ii) (SiF_(4) (iii) BF_(3) (iv) NH_(3) (v) H_(2) O `.

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PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
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  7. Differentiate between sigma and pi bond .

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  8. Explain how the strength of a bond is related to (i) extent of overlap...

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  9. What are sigma and pi bonds ? Explain the different ways of their form...

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  10. Arrange the following according to bond length giving reasons : (i)...

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  11. Define the term Electronegativily. Explain it with one suitalbe exampl...

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  12. what do you understand by partial ionic character of covalent bonds ?

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  13. Define Dipole moment . Draw dipole diagrams of H(2)O and BF(3) .

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  17. What type of hybridisation is associated with the central when the ato...

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  18. Explain why carbon has a valency of four and not two and why are the f...

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  20. Draw shapes of H(2) O and C(2) H(4) .

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