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ID: 481520 • Letter: X

Question

x C solved write the structi x C Solved write the structu X O eztomheducation.com/hm.tpx access, place your bookmarks here on the bookmarks bar, limport bookmarks now. Be sure to answer all parts. Sometimes the strongly basic properties of Grignard reagents can be turned to synthetic advantage. A chemist needed samples of butane specifically labeled with deuterium, the mass-2 isotope of hydrogen. as shown: CH CH2CH2 CH2D Complete the following reactions to show this preparation using D10 as the source of deuterium. butanol, and the necessary organic or inorganic reagents. Part 1 Pick the correct reactant(s) needed to complete the first step of the synthesis. CH3CH2CH2CH20H CH3CH2 CH2CH2 Br 111 H2SO4, 121 Br2 Br2 HBr or PB CH3MgBr CH3Br

Explanation / Answer

Part-1:-

HBr/PBr3 can be used

Part-3

Grignard reagent is a strong base so it abstract proton from D2O

CH3CH2CH2CH2MgBr+D2O=CH3CH2CH2CH2D+Mg(OD)Br