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Why does type of overlap given in the fo...

Why does type of overlap given in the following figure not result in bond formation ?

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the area of ++ overlap is equal to the area of + - overlap. Thus,the two areas are equal but
oppostite in sign. Hence , they cancel out and net overlap is zero and therefore is no bond formation.
In the second fig ., no overlap takes place between `P_(x) and p_(y)` orbitals. Hence, no bond is formed.
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PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-NCERT EXAMPLAR PROBLEMS (SHORT ANSWER QUESTIONS)
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  2. Explain the shape of BrF(5^.)

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  3. Structrues of moleculars of two compounds are shown on the side . (...

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  4. Why does type of overlap given in the following figure not result in b...

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  5. Explain why PCl(5) is trigonal bipyramidal whereas IF(5) is square pyr...

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  6. In both water and dimethyl ether (CH(3)-underset(..)overset(..)O-CH(3)...

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  7. Write Lewis structure of the following compounds and show format charg...

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  8. The energy of sigma2p(z), molecular orbital is greater than pi2p(x) an...

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  9. What is the effect of the following processes on the bond order of N(2...

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  10. Give reasons for the following : (i) Covalent bonds are directional...

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  11. What is an ionic bond ? With two suitable examples, explain the difere...

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  12. Arrange the following bonds in order of increasing ionic character giv...

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  13. Explain why CO(3)^(2-) ion cannot be represented by a single Lewis str...

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  14. Predict the hybridisation of each carbon in the molecule of organic co...

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  15. Group the following as linear and non-linear molecules : H(2)O,HOCl,...

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  16. Elements X,Y and Z have 4,5 and 7 valence electrons respectively, (i) ...

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  17. Draw the resonating structure of (i) Ozone molecule (ii) Nitrate i...

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  18. Presict the shapes of the following molecules on the basis of hybridis...

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  19. All the C-O bonds in carbonate in (CO(3)^(2-)) are equal in length. Ex...

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  20. what is meant by the term average bond enthalpy? Why is there differen...

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