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Covalent Bond

All the p-cl ...

Question

All the p-cl bonds in $P C l_{5}$ molecule are not equivalent. Why? Explain.

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Solution

$P C l_{5}$ has a triagonal bipyramidal structure due to $d s p^{3}$ hybridization. Due to this two $C l$ atoms lie along axial line and other three $C l$ -atoms lie along the equitorial plane. Hence The bond lengths are different.

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Similar questions

Q. Cl−P−Cl bond angles in

P C l_{5}

Q. (a) Write an equation of reaction of chlorine with hot and concentrated

N a O H

solution.
(b) Why are all the five bonds of

P C l_{5}

not equivalent? Explain.

Q. (i) Why are interhalogen compounds more reactive than halogens ?
(ii) All the five bonds in

P C l_{5}

are not equivalent. Justify.

Q. Why all P - F bonds in

P F_{5}

are not equivalent?

Q. (a) Draw the molecular structoms of following compounds :
(i)

X e F_{6}

H_{2} S_{2} O_{8}

(b) Explain the following observations :
(i) The molecules

N H_{3}

N F_{3}

, have dipole moments which are of opposite direction.
(ii) All the bonds of

P C l_{5}

molecule are not equivalent.
(iii) Sulphur in vapour state exhibits paramagnetism.

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