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Use molecular orbital theory to explain ...

Use molecular orbital theory to explain why the `Be_2` molecule does not exist.

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PATHFINDER-CHEMICAL BONDING AND MOLECULAR STRUCTURE-QUESTION BANK
  1. Compare the bond length O-O in following molecules: KO2, O2, O2 [AsF6]

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  2. Which of the following species has bond order of zero

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  3. Use molecular orbital theory to explain why the Be2 molecule does not ...

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  4. Compare the relative stability of the following species and indicate t...

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  5. Among the following isostructural compounds, the compound, with highes...

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  6. An electrovalent compound does not exhibit space isomerism because of

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  7. The correct increasing order of Ionic character among the following co...

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  8. The pair of elements which on combination are most likely to form an i...

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  9. Sodium sulphate is soluble in water but barium sulphate is sparingly s...

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  10. The types of bond present in N2O5 vapour state

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  11. In which of the following compounds, breaking of covalent bond takes p...

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  12. The valency of sulphur in sulphuric acid is

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  13. when 2s-2s,2p-2p and 2p-2s orbitals overlap, the bond strength decreas...

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  14. The ratio of sigma and pi bonds in benzene is:

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  15. Indicate the wrong statement

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  16. Which of the following molecules does not have coordinate covalent bon...

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  17. Which of the following has been arranged in increasing order of size o...

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  18. With respect to carbon, the correct order of electronegativity:

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  19. Carbon atoms in C2(CN)4 are:

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  20. CO2 has the same geometry as: (i)HgCl2 (ii) NO2 (iii) SnCl4 (iV) C2H2

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