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What should be the electron affinity and...

What should be the electron affinity and electronegativity of the atoms involved in covalent bond formation?

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CHHAYA PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SHORT-TYPE QUESTIONS
  1. PbCl(2) is white while PbI(2) is golden yellow-why?

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  2. Write down the Lewis dot structure of nitrite ion (NO(2)^(-)).

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  3. What should be the electron affinity and electronegativity of the atom...

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  4. Indicate the nature of bonds in NaBH(4).

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  5. Metallic Na reats violently with water, but Na^(+) ion not react with ...

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  6. NaCl is non-volatile but HCl is volatile-explainwith reason.

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  7. Which of the ionic bonds formed between Na^(+) and Cl^(-) and betweenK...

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  8. The lattice energy of MgO is greater than NaF-why?

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  9. Unlike CaF(2),CaCl(2) is soluble in water-why?

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  10. BF(3) does not obey octet rule, yet it exists -explain.

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  11. Ionic compounds having cations and anions with higher charge are insol...

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  12. Explain why the reaction between NaCl nd AgNO(3) is fast but the react...

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  13. Define coordination number with suitable example.

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  14. What type of bond will be formed between two elements with similar ele...

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  15. Explain the given order of solubility of silver halides in water: AgF ...

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  16. Give the states of hybridisation of central atoms of PC l(4)^(+)&XeOF(...

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  17. Arrange the following in increasing order of bond angle around the cen...

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  18. Explain why the axial bonds in PC l(5) are longer than the equatorial ...

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  19. CO(2) is non-polar but COS is polar, even though both of them are line...

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  20. Tropone (cycloheptatrienone, ) is highly poalr (mu=4.17D) in nature-w...

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