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| 1. |
NCl_(3) gets hydrolysed to from NH_(3)andHOCl while PCl_(3) on hydrolysis gives H_(3)PO_(3)andHCl. Explair why ? |
Answer» Solution :N does not have d-orbitals to accommodate the ELECTRONS donated by Oof `H_(2)O`, therefore, attack of `H_(2)O` OCCURS on the Cl atom which has d- orbitals to accommodate the extra electrons donated by `H_(2)O` Consequently, Cl-O bond is FORMED LEADING to the FORMATION of `HOClandNH_(3)` as shown below :  In contrast, both P and Cl have d- orbitals to accommodate electrons by `H_(2)O`. But P-O bond much stronger than Cl-O bond. As a result, attack of `H_(2)O` molecules occurs preferentially on P of PC to form `H_(3)PO_(3)andHCl`. 
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