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| 1. |
BaSO_4 is ionic and PCl_3 is covalent but a saturated solution of BaSO_4 is a weak electrolyte, while that the PCl_3 is a strong electrolyte. Explain. |
| Answer» Solution :`BaSO_(4)` has high lattice energy. It is very LESS soluble in water, EVEN in saturated solutions. The ionic concen-tration is in the order of `10^(-5)` M .Hence it is a wea electro-lyte. `PCl_(3)` is covalent. It undergoes HYDROLYSIS in water to give hydrochloric acid, which is a STRONG ELECTROLYTE. | |