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48. Thiols are formed by reducing the dialkyl disulphides with (A) zinc(B) acid(C) both zinc and acid(D) none of these |
| Answer» THIOLS can be MADE from haloalkanes by nucleophilic substitution of the halide ION by the sulfhydryl ion (HS−), which is an excellent NUCLEOPHILE. Because thiolate ions are also excellent nucleophiles, thioethers can REACT again to give a thioether. | |