The compound KSCN is a source of thiocyanate ion. (a) Write the two most stable Lewis structures
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(a) Write the two most stable Lewis structures for thiocyanate ion and identify the atom in each that bears a formal charge of -1.
(b) Two constitutionally isomeric products of molecular formula C5H9NS were isolated in a combined yield of 87% in the reaction shown. (DMF stands for N,N-dimethylformamide, a polar aprotic solvent.) Suggest reasonable structures for these two compounds.
(c) The major product of the reaction cited in (b) constituted 99% of the mixture of isomers. Its structure corresponds to attack by the most polarizable atom of thiocyanate ion on 1-bromobutane. What is this product?
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