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Out of sigma and pi- bonds, which one i...

Out of `sigma` and `pi-` bonds, which one is stronger and why?

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`sigma` bond is stronger than a `pi` bond. This is because `sigma-` bond is formed by head on overlapping of orbitals and therefore, overlapping is large. On the other hand, `pi-` bond is formed by the sidewise overlapping, which is small.
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MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Conceptual Questions (2)
  1. Out of sigma and pi- bonds, which one is stronger and why?

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  2. Which of the following molecules will have zero dipole moment: SiCl(...

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  3. Why NF(3), is pyramidal while BF(3) is triangular planar, though both...

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  4. Which of the following has larger bond angle in each pair ? (i)CO(2)...

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  5. How many sigma and pi bonds are present in naphthalene?

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  6. Draw resonating structures of (i) nitrous oxide (N(2)O) and (ii) hydra...

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  7. Arrange H(2)O, NH(3) and CH(4) in the decreasing order of bond angle.

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  8. Benzene ring has alternate single and double bonds, yet all the C-C bo...

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  9. Arrange the following bonds in order of increasing polarity: P-H,H-O...

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  10. Arrange the following carbon atoms numbered C-1, C-2 and C-3 in the de...

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  11. Select the molecule or ion having larger property mentioned in each of...

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  12. What type of hybridisation is involved in carbon atoms of benzene ?

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  13. Indicate4 whether the following statement is TRUE or FALSE. Justify yo...

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  14. Which of the following has maximum bond angle ? H(2)O, CO(2), NH(3),...

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  15. CO(2) is non - polar while H(2)O is polar. What conclusion do you draw...

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  16. Select the correct choice (no reasons) (a) Which of the two is more ...

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  17. Arrange the following in order of increasing ionic character : C-H,F...

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  18. Arrange the bonds in order of increasing ionic character in the molecu...

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  19. Out of CS(2) and OCS which have higher dipole moment and why?

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  20. Which type of hybridisation explain the trigonal bipyramidal shape of ...

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