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The order of p pi-dpi interaction in the...

The order of `p pi-dpi` interaction in the compounds containing bond between Si/P/S/Cl and oxygen is in the order :

A

P gt Si gt Cl gt S

B

Si lt P lt S lt Cl

C

S lt Cl lt P lt Si

D

Si gt P gt S gt Cl

Text Solution

Verified by Experts

The correct Answer is:
B
From Si to Cl in 3rd period, decreasing size increases strength of `ppi-dpi` bond with oxygen.
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ppi-dpi bonding occurs between oxygen and :

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Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important for oxygen compounds. Oxygen is never more than divalent beacasue when it hs formed two covalent bonds, there are no low energy orbitals which can be used for form. further bonds. However, the elements S,Se,Te and Po have empty d- orbitals which may be used for bonding, and they can form four or six bonds by unpairing electrons. The higher oxidation states become less stable on decending the group. The bond between S and O, or Se and O, are much shorter than might be expected for a single bond owing to rho pi - dpi interaction between the p- orbital of oxygen and d- orbital of S or Se. Which one of the following orders represents the correct order for the properties indicated against them?

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GRB PUBLICATION-CHEMICAL BONDING-I-STRAIGHT OBJECTIVE TYPE(B)
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  2. Which of the folowing angles corresponds to sp^(2) hybridisation ?

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  4. The structure of XeOF(4) is

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  5. Isostructrual species are those which have the same shape and hybridis...

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  6. The types of hybrid orbitals of nitrogen in NO(2)^(+),NO(3)^(-) and NH...

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  7. Which of the following species has tetrahedral geometry?

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  8. In which of the following molecule/ion all the bonds are not equal?

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  9. The pair having similar geometry is :

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  10. A: tetracynomethance, B: Carbon dioxide , C: Benzene, D: 1, 3butadiene...

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  11. The geometry of ammonia molecule can be best described as :

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  12. Which of the following set of overlap can not provide pi -bond formati...

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  13. The ratio of number of sigma-bond to pi-bond in N(2) and CO molecules ...

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  14. The compound MX(4) is tetrahedral. The number of angleXMX angles forme...

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  15. What is hybridisation of central atom of anionic part of PBr(5) in cry...

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  16. The % p-character in the orbitals forming C-H bond in CH(4) is :

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  17. In the following compound : overset(1)CH(2)=overset(2)CH-overset(3)C...

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  18. Which of the following molecule/ion has maximum sigma:pi bond ratio?

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  19. Which of the following statements is incorrect for the bonding in CaC(...

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  20. The shapes of PCI(4)^(o+),PCI(4)^(Θ) and AsCI(5) and are respectively...

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