Why is PCl5 more reactive than PCl3?
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15
it is more bcoz PCL5 has no lone pairs in it. more no of bonded pair so not easy to break so more reactive
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In pcl5 the two axial bonds are longer than three equitorial bond (bond length of axial bond 240 pm) the axial bond pairs suffer more repulsion as compaired to equtorial bons .but in pcl3 three is no any axial bond .so pcl5 is more reactive than pcl3.
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