im? 1. Naing tht (lodine) is less electronegative than Br, in the addition 1-Br

Question

im? 1. Naing tht (lodine) is less electronegative than Br, in the addition 1-Br to alkones, the iodine (1) atom functions as a(n) A. electrophile B. nucleophile C. Lewis base D. catalyst Which of the following addition to C C reactions is an ANTI addition? A. halogenation (reaction with Xa) C. hydrohalogenation (reaction with HX) B, hydrogenation (reaction with H2 + Pt) D. hydroxylation (formation of 1.2 diol) -. 3, which of the following alkynes is the stronger acid? A. CH C-CH B. H-C C-CH3 4. The addition of a halogen acid, HX, to an alkyne is stereochemically B. anti C. a 50/50 mix of syn and anti A. syn -5, which of the "circled" hydrogens in the molecule below is most easily abstracted by a (Sets of H's are labeled x, y, z) halogen atom in a radical halogenation reaction? A. x B. y

Explanation / Answer

1. Since iodine has less electronegativity than bromine so iodine will have more tandency so to donate electrons so iodine will behave as nucleophile.

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