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Why PCl(5) dissociates to give PCl(3) an...

Why `PCl_(5)` dissociates to give `PCl_(3)` and `Cl_(2)`?

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2 "mole" of PCl_(5) were heated in a closed vessel of 2 litre capacity. At equilibrium 40% of PCl_(5) dissociated into PCl_(3) and Cl_(2) . The value of the equilibrium constant is:

1.5 mol of PCl_(5) are heated at constant temperature in a closed vessel of 4 L capacity. At the equilibrium point, PCl_(5) is 35% dissociated into PCl_(3) and Cl_(2) . Calculate the equilibrium constant.

PCl_(5) is 50% dissociated into PCl_(3) and Cl_(2) at 1 atmosphere pressure. It will be 40% dissociated at:

PCl_(5) on heating dissociates to PCl _(3) and Cl _(3) because :

When PCl_(5) is heated, it dissociates into PCl_(3) and Cl_(2) . The vapour density of the gas mixture at 200^(@)C and at 250^(@)C is 70 and 58 , respectively. Find the degree dissociation at two temperatures.

1 mole of PCl_(5) taken at 5 atm, dissociates into PCl_(3) and Cl_(2) to the extent of 50% PCl_(5)(g)hArr PCl_(3)(g)+Cl_(2)(g) Thus K_(p) is :

For a very small extent of dissociation of PCl_(5) into PCl_(3) and Cl_(2) is a gaseous phase reaction then degree of dissociation , x :

PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Draw well labelled orbital diagrams for the following molecules : (...

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  2. Explain the shapes of SF(4) and CIF(3)

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  3. Why PCl(5) dissociates to give PCl(3) and Cl(2)?

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  4. Why the equatiorial and axial bond lengths of PCl(5) are not equl ?

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  5. Which hybridization is presumed for P in PF(3) and S in SF(6) ? Give r...

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  6. What is a coordinate bond ? Explain with two suitable example . How is...

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  7. What is resonance ? Define Resonance energy .

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  8. Draw the resonating structures of CO(2) ?

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  9. Sketch the shapes of molecular orbitals formed by the overlap of (i...

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  10. What do you understand by a molecular orbitals (m.o.) ? What is the ma...

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  11. What is meant by bonding and antibonding molecular orbitals ? Give the...

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  12. What are the condition for combination of atomic orbitals ? Which spec...

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  13. Use the molecular orbital energy level diagram to show that N(2) would...

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  14. What is meant by bond order ? Calculate the bond order of He(2)^(+) ,...

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  15. Calculate the bond order for H(2)^(+) ion. Is this ion expected to be ...

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  16. Arrange the following molecular species in increasing order of satbili...

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  17. Explain why the bond in H(2)^(+) is longer than that in H(2).

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  18. Give the molecular orbitals energy diagram for oxygen molecule and acc...

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  19. Distinguish two aspects of bonding and antibonding orbitals .

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  20. Using MO diagram and occupancy of electrons in orbitals, arrange the f...

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